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        "Hands support behind pelvis."
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        "Arms long beside torso.",
        "Lateral side bend reaches right hand to right heel, then returns center, then left hand to left heel.",
        "Never two reaches with the same hand.",
        "Head and shoulders stay low, no sit-up."
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      "target": "lats",
      "bodyPart": "back",
      "equipment": "leverage machine",
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        "Hold the overhead handles with an overhand grip and pull upward without swinging.",
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      "name": "Back extension",
      "category": "Gym machines",
      "target": "spine",
      "bodyPart": "back",
      "equipment": "body weight",
      "requiredEquipment": [
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      "environments": [
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        "Start body straight from head to heels; hinge forward at hips with neutral spine, then return only to straight body alignment.",
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      "target": "biceps",
      "bodyPart": "upper arms",
      "equipment": "band",
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      "phase": "main",
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        "Arms begin down beside thighs holding ends, palms forward.",
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        "Elbows stay beside ribs and feet stay still."
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      "category": "Bands",
      "target": "delts",
      "bodyPart": "shoulders",
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      "target": "upper back",
      "bodyPart": "back",
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      "name": "Band lat pulldown",
      "category": "Bands",
      "target": "lats",
      "bodyPart": "back",
      "equipment": "band",
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      "slug": "band-lateral-raise",
      "name": "Band lateral raise",
      "category": "Bands",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "band",
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        "Feet and torso still; band remains under both shoes."
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      "name": "Band Pallof press",
      "category": "Bands",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "band",
      "requiredEquipment": [
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      "phase": "main",
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      "name": "Band pull-apart",
      "category": "Bands",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "band",
      "requiredEquipment": [
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      "phase": "main",
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      "instructions": [
        "Stand tall, arms held straight forward at shoulder height, holding an orange band between hands.",
        "Pull hands apart horizontally until arms form a wide T and band touches upper chest, then return hands forward.",
        "Elbows only softly bent; shoulders do not shrug.",
        "Legs and torso stay still."
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      "slug": "band-romanian-deadlift",
      "name": "Band Romanian deadlift",
      "category": "Bands",
      "target": "hamstrings",
      "bodyPart": "upper legs",
      "equipment": "band",
      "requiredEquipment": [
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      "environments": [
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      "phase": "main",
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      "instructions": [
        "Stand on middle of orange band, hold ends by thighs with long straight arms.",
        "Push hips back with soft knees and neutral back, lower hands along shins to mid-shin, then extend hips to stand.",
        "Band connects hands to under shoes.",
        "Feet fixed, no squat, no rounded back."
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      "name": "Band shoulder press",
      "category": "Bands",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "band",
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      "instructions": [
        "Stand on the center of an orange resistance band with both feet.",
        "Hold two band ends at shoulders, elbows bent.",
        "Press both hands overhead together, then lower to shoulders.",
        "Band strands remain connected under shoes, extending along outside arms.",
        "Feet, hips and torso remain still."
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      "id": "trainai-band-straight-arm-pulldown",
      "slug": "band-straight-arm-pulldown",
      "name": "Band straight-arm pulldown",
      "category": "Bands",
      "target": "lats",
      "bodyPart": "back",
      "equipment": "band",
      "requiredEquipment": [
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        "rated-high-anchor"
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      "environments": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Stand with slight hip hinge, facing a small high anchor.",
        "Grasp two handles of orange band with nearly straight arms raised ahead to shoulder height.",
        "Sweep straight arms down to thighs, then return.",
        "Keep elbow angle unchanged, no rowing or triceps pressdown.",
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      "slug": "band-triceps-pressdown",
      "name": "Band triceps pressdown",
      "category": "Bands",
      "target": "triceps",
      "bodyPart": "upper arms",
      "equipment": "band",
      "requiredEquipment": [
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        "rated-high-anchor"
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      "environments": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Stand facing a small fixed high band anchor.",
        "Orange band runs down to two handles in hands.",
        "Elbows tucked at ribs start bent 90 degrees.",
        "Straighten elbows to push hands to thighs, then return forearms to horizontal.",
        "Upper arms, torso and feet stay stationary."
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      "category": "Bands",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "band",
      "requiredEquipment": [
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        "gym"
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      "instructions": [
        "Lie on left side, head supported by left forearm, hips and knees bent, feet stacked.",
        "Orange mini loop band above knees.",
        "Keep pelvis stacked and feet together while lifting only upper knee outward, then lower.",
        "Do not roll torso backward or lift feet.",
        "Repeat on the other side with the same controlled range."
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      "slug": "banded-glute-bridge",
      "name": "Banded glute bridge",
      "category": "Bands",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "band",
      "requiredEquipment": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Lie on back, knees bent, both feet flat, orange mini band around thighs above knees.",
        "Arms rest on floor.",
        "Lift hips until shoulders-hips-knees align, keeping knees slightly apart against band, then lower hips.",
        "Head, shoulders, hands and feet remain on floor at fixed positions."
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      "name": "Barbell back squat",
      "category": "Barbell foundations",
      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "barbell",
      "requiredEquipment": [
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        "safeties"
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      "environments": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Start standing inside a simple black squat rack with safeties, small symmetrical plates on barbell resting across upper back/trapezius below neck, hands grip just outside shoulders.",
        "Feet planted shoulder width.",
        "Sit hips down between knees into controlled squat, then stand.",
        "Bar stays supported on upper back and follows torso, knees track toes.",
        "Rack and safeties never move."
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      "name": "Barbell bench press",
      "category": "Barbell foundations",
      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "barbell",
      "requiredEquipment": [
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      "phase": "main",
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      "instructions": [
        "Barbell bench press.",
        "Lie on a FLAT bench, head at left feet at right, feet flat and back supported.",
        "Start arms straight vertically above middle chest with a moderate-width overhand grip.",
        "Lower a single rigid barbell toward MIDDLE CHEST/STERNUM just below nipple level.",
        "At bottom wrists stack over elbows and bar touches mid-chest, well away from face/neck.",
        "Elbows about 45 degrees from torso.",
        "Keep bar as one rigid shaft with unchanged plates.",
        "Repeat on the other side with the same controlled range."
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      "category": "Barbell foundations",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "barbell",
      "requiredEquipment": [
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        "plates"
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      "instructions": [
        "Stand feet planted, knees soft, torso hinged to roughly 35 degrees above horizontal with straight back.",
        "Hold light barbell with overhand shoulder-width grip, arms extended beneath shoulders.",
        "Pull to lower ribs with elbows back, then lower.",
        "Torso angle and feet remain fixed."
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      "category": "Barbell foundations",
      "target": "quads",
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        "rated-squat-box"
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        "With the bar across your upper back, squat until you touch the box lightly without rocking backward.",
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      "target": "biceps",
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      "phase": "main",
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      "instructions": [
        "Stand holding light straight barbell with underhand shoulder-width grip, arms down.",
        "Bend elbows to curl bar toward lower chest, then lower.",
        "Upper arms stay beside ribs, wrists straight, no torso rocking or knee movement."
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      "slug": "barbell-deadlift",
      "name": "Barbell deadlift",
      "category": "Barbell foundations",
      "target": "hamstrings",
      "bodyPart": "upper legs",
      "equipment": "barbell",
      "requiredEquipment": [
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        "plates"
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      "environments": [
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        "gym"
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      "phase": "main",
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      "instructions": [
        "Light barbell with equal round plates begins on floor over mid-foot.",
        "Athlete already grips bar just outside knees, hips hinged and knees bent, neutral back.",
        "Stand by extending hips and knees, bar travels close to shins and thighs, finish tall, then lower to floor while keeping grip.",
        "No shrugging or back hyperextension."
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      "category": "Barbell foundations",
      "target": "quads",
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        "Barbell front squat: bar rests across FRONT shoulders/deltoids with fingertips under bar and elbows pointing HIGH FORWARD, upper arms near horizontal.",
        "Never hold it like a biceps curl.",
        "Start standing; bend hips/knees into controlled squat until thighs roughly parallel, heels flat, torso upright.",
        "Bar stays supported on shoulders, elbows stay forward.",
        "One rigid barbell with two equal plates."
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      "name": "Barbell hip thrust",
      "category": "Barbell foundations",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "barbell",
      "requiredEquipment": [
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      "measurement": "repetitions",
      "instructions": [
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        "Knees bent, feet flat shoulder width.",
        "Light padded barbell rests across hip crease and held securely with both hands.",
        "Start hips lowered, extend hips to bring shoulders-hips-knees in straight line, chin gently tucked, then lower.",
        "Bench and feet stay fixed; bar moves with pelvis."
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      "name": "Bear plank",
      "category": "Core",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "body weight",
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      "instructions": [
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        "Lift both knees only a few centimeters from floor while keeping hips low and back flat.",
        "Hold the bear hover, then lower knees.",
        "Knees remain bent about 90 degrees; do not turn it into a straight-leg plank."
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      "target": "upper back",
      "bodyPart": "back",
      "equipment": "dumbbell",
      "requiredEquipment": [
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        "bench"
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      "phase": "main",
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      "instructions": [
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      "target": "calves",
      "bodyPart": "lower legs",
      "equipment": "body weight",
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        "gym"
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      "phase": "cooldown",
      "measurement": "duration",
      "instructions": [
        "Bend both knees slightly while keeping left heel flat; lower hips gently toward wall to stretch lower left calf.",
        "Torso long, hold then ease back.",
        "Heel never lifts.",
        "Repeat on the other side with the same controlled range."
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      "target": "abs",
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      "phase": "main",
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        "Rotate one shoulder toward the opposite knee while extending the other leg.",
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      "equipment": "body weight",
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        "Spine stays neutral, hips level.",
        "Both extended limbs are opposite sides, never same-side.",
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      "target": "spine",
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      "phase": "main",
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        "Hold this long level line with the other palm and knee supporting body; neck neutral, hips square.",
        "Then return the extended hand and knee to floor.",
        "Repeat on the other side with the same controlled range."
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        "Stand with feet hip-width, knees softly bent and hands resting on hips.",
        "Push the hips backward while the straight neutral torso tilts forward to around 45–60 degrees from vertical; return upright by bringing the hips forward.",
        "Shins stay nearly vertical, spine neutral, neck aligned; this is a hinge rather than a deep knee squat.",
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        "Do not jump down.",
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        "Let the arms swing opposite the legs while taking controlled steps.",
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      "category": "Cable station",
      "target": "biceps",
      "bodyPart": "upper arms",
      "equipment": "cable",
      "requiredEquipment": [
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      "environments": [
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        "Curl bar from thighs toward chest with elbows fixed near sides.",
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      "category": "Cable station",
      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "cable",
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        "Arms open to sides at chest level with gentle elbow bend.",
        "Sweep hands together in front of chest in a hugging arc, then reopen.",
        "Elbow bend remains constant, not a press.",
        "Columns and feet stay still."
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      "category": "Cable station",
      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "cable",
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      "environments": [
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      "phase": "main",
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      "instructions": [
        "Stand in split stance between two fixed cable columns, pulleys at chest height behind.",
        "Hold handles beside chest, press both forward to near elbow extension, then return.",
        "Both cables run outside arms and stay connected.",
        "No stepping or torso sway, fixed columns identical."
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      "name": "Cable face pull",
      "category": "Cable station",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "cable",
      "requiredEquipment": [
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      "environments": [
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Stand facing fixed cable column with pulley at eye level, hold rope ends.",
        "Pull rope toward face, separate hands beside temples and elbows out at shoulder height, then extend arms.",
        "Feet and torso still.",
        "Rope stays connected to cable and fixed pulley."
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      "category": "Cable station",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "cable",
      "requiredEquipment": [
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      "phase": "main",
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        "Standing cable glute kickback.",
        "Stand facing a cable tower on right with low pulley by floor.",
        "Hold tower with hands.",
        "Supporting NEAR leg stays planted.",
        "A clearly visible orange ankle cuff is on FAR ankle and one taut dark cable connects that cuff to low pulley.",
        "Move the CUFFED FAR leg backward toward left with knee almost straight, no back arch.",
        "The cable follows moving ankle, never connects to planted leg.",
        "Both legs retain normal length.",
        "Repeat on the other side with the same controlled range."
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      "slug": "cable-hip-adduction",
      "name": "Cable hip adduction",
      "category": "Cable station",
      "target": "adductors",
      "bodyPart": "upper legs",
      "equipment": "cable",
      "requiredEquipment": [
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        "ankle-cuff"
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      "environments": [
        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Stand beside low cable pulley on right side.",
        "Cuff attached to right ankle nearest the pulley.",
        "Left hand holds separate fixed support, left foot planted.",
        "Draw right leg inward across the front of planted left leg against cable.",
        "The same right ankle remains cuffed, cable taut to right-side low pulley throughout.",
        "Repeat on the other side with the same controlled range."
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      "name": "Cable lateral raise",
      "category": "Cable station",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "cable",
      "requiredEquipment": [
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        "handle"
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      "environments": [
        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Single arm cable lateral raise.",
        "Cable crosses in FRONT of thighs from LOW pulley on left to working hand on right.",
        "Other hand rests at hip.",
        "Repeat on the other side with the same controlled range."
      ],
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      "name": "Cable overhead triceps extension",
      "category": "Cable station",
      "target": "triceps",
      "bodyPart": "upper arms",
      "equipment": "cable",
      "requiredEquipment": [
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      "environments": [
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      "phase": "main",
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      "instructions": [
        "Stand facing away from low cable column in split stance, hold rope ends overhead with upper arms beside ears.",
        "Bend elbows bringing hands behind head, then straighten elbows overhead.",
        "Cable passes behind body to low pulley, remains attached, upper arms nearly fixed."
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      "name": "Cable Pallof press",
      "category": "Cable station",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "cable",
      "requiredEquipment": [
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      "environments": [
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Stand with left side toward chest-height pulley, feet planted shoulder width.",
        "Hold handle in both hands at sternum.",
        "Extend both arms straight forward from chest, resist turning, pause, then return hands to sternum.",
        "Cable pulls sideways to left, torso faces same direction throughout.",
        "Repeat on the other side with the same controlled range."
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      "name": "Cable pull-through",
      "category": "Cable station",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "cable",
      "requiredEquipment": [
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      "phase": "main",
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      "instructions": [
        "Stand facing away from low pulley in wide stance, holding rope between legs.",
        "Start hinged at hips with neutral back and knees soft.",
        "Extend hips to tall upright stance, hands finish in front of thighs; return to hinge.",
        "Cable passes between legs continuously, no arm curl or back hyperextension."
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      "name": "Cable straight-arm pulldown",
      "category": "Cable station",
      "target": "lats",
      "bodyPart": "back",
      "equipment": "cable",
      "requiredEquipment": [
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      "phase": "main",
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      "instructions": [
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        "With elbows kept softly bent at constant angle, pull bar in an arc to front of thighs, then return overhead.",
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      "target": "triceps",
      "bodyPart": "upper arms",
      "equipment": "cable",
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        "rope-handle"
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      "target": "abs",
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      "equipment": "cable",
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        "Hold handle both hands near left shoulder, then rotate torso and bring hands diagonally down toward right hip.",
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        "Return controlled along same diagonal.",
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      "bodyPart": "lower legs",
      "equipment": "foam roller",
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      "phase": "recovery",
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      "target": "spine",
      "bodyPart": "back",
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      "phase": "warmup",
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      "target": "quads",
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      "target": "lats",
      "bodyPart": "back",
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        "Feet together with knees softly bent, no swing.",
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      "target": "abductors",
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      "target": "pectorals",
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        "Shoulder-width overhand grip.",
        "Start with straight arms over sternum, lower bar to LOWER MIDDLE CHEST, below nipple line, elbows close to ribs and forearms vertical.",
        "Never bar above neck or face.",
        "One rigid unchanged bar and plates.",
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      "name": "Close-grip push-up",
      "category": "Home pushing",
      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "body weight",
      "requiredEquipment": [],
      "environments": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Perform a push-up with hands close together beneath the chest, elbows tracking beside ribs.",
        "Keep a straight head-to-heel line on toes.",
        "Lower chest toward hands, then press to straight arms.",
        "Hands need not form a tiny diamond; comfortable narrow placement.",
        "No wide elbows."
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      "name": "Controlled step-down",
      "category": "Home foundations",
      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "body weight",
      "requiredEquipment": [
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      "environments": [
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Begin upright on a low stable step with the nearer leg supporting the body and the other foot near the front edge.",
        "Slowly bend the supporting knee to lower the free heel toward a light floor tap in front of the step.",
        "Push through the foot on the step to rise.",
        "The free foot only taps; never transfer weight to it or jump."
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      "name": "Controlled trunk rotation",
      "category": "Dynamic warm-up",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "body weight",
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      "environments": [
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        "gym"
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      "phase": "warmup",
      "measurement": "repetitions",
      "instructions": [
        "Stand tall feet hip width, hands crossed lightly on chest.",
        "Rotate ribcage gently right then through center to left and center.",
        "Pelvis mostly faces forward, knees soft, no twisting knees or forcing range.",
        "Repeat on the other side with the same controlled range."
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      "name": "Cross-body shoulder stretch",
      "category": "Static stretching",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "body weight",
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      "phase": "cooldown",
      "measurement": "duration",
      "instructions": [
        "Cross-body shoulder stretch.",
        "Stand tall, feet hip-width.",
        "Bring the right arm across the upper chest at about shoulder level, right elbow softly straight.",
        "Left hand supports the right upper arm just above the elbow, gently drawing it across the body.",
        "Shoulders relaxed, no neck tilt, no pressing the elbow joint and no twisting the torso.",
        "Hold then release gently.",
        "Demonstrate one side only.",
        "Repeat on the other side with the same controlled range."
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      "category": "Core",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "body weight",
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      "phase": "main",
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      "instructions": [
        "Lie on back with knees bent, feet flat and arms reaching toward thighs.",
        "Curl upper chest a small distance so shoulder blades just lift from floor, then lower slowly.",
        "Keep neck neutral, chin gently tucked, pelvis and feet fixed.",
        "This is a short abdominal curl, not a full sit-up."
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      "name": "Dead bug",
      "category": "Core",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "body weight",
      "requiredEquipment": [],
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Lie on your back with arms pointing upward and hips and knees bent.",
        "Brace gently and extend one leg while reaching the opposite arm overhead, stopping before your lower back arches.",
        "Return to the start and alternate sides."
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      "category": "Static stretching",
      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "body weight",
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      "phase": "cooldown",
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        "Stand in a doorway with forearms resting on the frame and elbows slightly below shoulder height.",
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      "target": "delts",
      "bodyPart": "shoulders",
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      "target": "pectorals",
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      "equipment": "dumbbell",
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      "category": "Dumbbell foundations",
      "target": "hamstrings",
      "bodyPart": "upper legs",
      "equipment": "dumbbell",
      "requiredEquipment": [
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      "equipment": "dumbbell",
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        "With elbows softly bent, raise both arms out to the sides until approximately shoulder height; lower along the same path.",
        "Keep shoulders down, wrists aligned, hands slightly in front of the shoulder plane, torso and feet still.",
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      "slug": "farmer-carry",
      "name": "Farmer carry",
      "category": "Dumbbell accessories",
      "target": "forearms",
      "bodyPart": "lower arms",
      "equipment": "dumbbell",
      "requiredEquipment": [
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        "walking-space"
      ],
      "environments": [
        "home",
        "gym"
      ],
      "phase": "main",
      "measurement": "duration",
      "instructions": [
        "Walk with one dumbbell hanging from EACH hand, elbows long, shoulders level, torso tall.",
        "Alternate normal walking steps, both weights stable close to sides."
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      "slug": "forearm-plank",
      "name": "Forearm plank",
      "category": "Core",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "body weight",
      "requiredEquipment": [],
      "environments": [
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        "gym"
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      "phase": "main",
      "measurement": "duration",
      "instructions": [
        "Begin on forearms and knees, elbows beneath shoulders.",
        "Extend both legs to a forearm plank on toes, body in one straight line from head to heels.",
        "Hold still, then gently return knees to floor.",
        "Forearms remain down; this is not a push-up."
      ],
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      "slug": "forward-lunge",
      "name": "Forward lunge",
      "category": "Home foundations",
      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "body weight",
      "requiredEquipment": [],
      "environments": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Forward lunge, hands on hips.",
        "Start standing feet hip-width.",
        "Step the right foot forward, bend both knees into a controlled lunge with left rear knee just above floor.",
        "Press through right foot to step back to upright feet-together start.",
        "Neutral torso, front knee follows toe direction, rear heel naturally raised during lunge.",
        "One side only, no jump.",
        "Repeat on the other side with the same controlled range."
      ],
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      "slug": "frog-pump",
      "name": "Frog pump",
      "category": "Home foundations",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "body weight",
      "requiredEquipment": [],
      "environments": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Lie on back, knees bent and opened outward, soles of feet touching each other.",
        "Keeping the soles together, squeeze glutes to raise hips a modest distance, then lower them.",
        "Arms rest alongside body; head and shoulders remain down.",
        "Knees remain comfortably open throughout."
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      "name": "Glute bridge",
      "category": "Home foundations",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "body weight",
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      "phase": "main",
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      "instructions": [
        "Supine glute bridge.",
        "Lie on the back with knees bent, both soles planted hip-width apart near the hips, arms on floor beside the body.",
        "Smoothly raise the hips until shoulders, hips and knees form a straight diagonal; lower the pelvis to the start.",
        "Keep shoulders, head, arms and both feet fixed against the same invisible floor plane.",
        "No back overextension.",
        "Move through one lift and lower, not a sit-up."
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    {
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      "slug": "glute-bridge-march",
      "name": "Glute bridge march",
      "category": "Core",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "body weight",
      "requiredEquipment": [],
      "environments": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Begin in a glute bridge with shoulders resting down, hips raised and both feet planted, knees bent.",
        "Keeping hips raised and level, lift one foot slightly, replace it, then lift and replace the other foot.",
        "Arms rest beside body; no large hip drop."
      ],
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      "name": "Glute foam roll",
      "category": "Soft-tissue adjuncts",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "foam roller",
      "requiredEquipment": [
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      "environments": [
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        "gym"
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      "phase": "recovery",
      "measurement": "duration",
      "instructions": [
        "Sit with right buttock on orange foam roller, right ankle crossed over left knee, left foot planted and both hands on floor behind.",
        "Lean slightly onto right glute and roll a few centimeters forward/back slowly.",
        "Keep roller beneath buttock, no low-back rolling.",
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      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "dumbbell",
      "requiredEquipment": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Hold one compact dumbbell vertically at chest with both hands cupping its upper end.",
        "Feet shoulder width, toes slightly out.",
        "Bend hips and knees into a comfortable squat with knees tracking toes, then stand.",
        "Keep heels down and dumbbell close to sternum throughout."
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      "category": "Gym machines",
      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "leverage machine",
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      "environments": [
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Set up in the hack-squat machine with shoulders and back against its pads.",
        "Release the safety catches according to the machine instructions, then bend the hips and knees with heels on the platform.",
        "Press up with control and re-engage the catches before stepping out."
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      "category": "Static stretching",
      "target": "hip flexors",
      "bodyPart": "upper legs",
      "equipment": "body weight",
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      "phase": "cooldown",
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      "instructions": [
        "Half-kneel with left knee on floor under hip and right foot forward, right knee90 degrees.",
        "Hands on right thigh.",
        "Gently tuck pelvis and shift forward a few centimeters to stretch front of left hip, keeping trunk tall.",
        "Hold quietly then ease back; no deep back arch.",
        "Repeat on the other side with the same controlled range."
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      "name": "Half-kneeling landmine press",
      "category": "Barbell accessories",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "barbell",
      "requiredEquipment": [
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        "plates"
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Half kneel: right knee on floor, left foot forward and planted.",
        "A barbell is fixed in a landmine pivot ahead, free weighted end held at right shoulder in right hand.",
        "Press free end forward and upward along its arc, then lower to shoulder.",
        "Pivot remains fixed, bar rigid, torso upright.",
        "Left hand rests at hip.",
        "Repeat on the other side with the same controlled range."
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      "name": "Heel slide",
      "category": "Core",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "body weight",
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      "phase": "main",
      "measurement": "repetitions",
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        "Slide one heel away on floor until that leg is straight, other foot stays planted.",
        "Hands stay down beside hips."
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        "Lift shoulders and extend arms overhead; lift straight legs to a manageable diagonal angle, making a shallow hollow-body shape.",
        "Hold without rocking, then lower limbs.",
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      "target": "cardiovascular system",
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      "bodyPart": "chest",
      "equipment": "body weight",
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      "target": "serratus anterior",
      "bodyPart": "chest",
      "equipment": "body weight",
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      "category": "Conditioning",
      "target": "cardiovascular system",
      "bodyPart": "cardio",
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      "phase": "main",
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        "Jump a single continuous rope with two handles, one per hand beside hips.",
        "Rope runs in ONE continuous U/oval between the handles and rotates under both feet then overhead.",
        "Small two-foot hops, knees soft, elbows beside torso.",
        "No disconnected rope fragments, no rope through body."
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        "Small jump returns feet together as arms lower.",
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      "category": "Kettlebells",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "kettlebell",
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      "phase": "main",
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        "Stand with feet planted, knees soft, hinge torso forward with neutral spine.",
        "Hold ONE kettlebell in right hand hanging beneath shoulder, left hand braced on left thigh.",
        "Pull right elbow toward hip, bell approaches right lower ribs, then lower.",
        "Torso and feet remain unchanged.",
        "Repeat on the other side with the same controlled range."
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      "name": "Kettlebell clean",
      "category": "Kettlebells",
      "target": "cardiovascular system",
      "bodyPart": "cardio",
      "equipment": "kettlebell",
      "requiredEquipment": [
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      "phase": "main",
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      "instructions": [
        "One-arm kettlebell clean to right rack.",
        "Begin hip-hinged with bell in right hand between legs, neutral spine.",
        "Extend hips and guide bell upward close to body with elbow near ribs, rotate hand through handle so bell settles smoothly against outer forearm at right shoulder.",
        "Reverse close to body into hinge.",
        "Bell never flips far away or passes through arm; left hand free.",
        "Repeat on the other side with the same controlled range."
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      "name": "Kettlebell deadlift",
      "category": "Kettlebells",
      "target": "hamstrings",
      "bodyPart": "upper legs",
      "equipment": "kettlebell",
      "requiredEquipment": [
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      "phase": "main",
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      "instructions": [
        "One kettlebell on floor between feet.",
        "Begin already gripping handle in both hands, hips back, knees bent, neutral back.",
        "Stand by extending hips and knees with arms long, bell rises to between thighs.",
        "Lower under control to same floor position while hands retain grip.",
        "Never release or teleport bell."
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      "name": "Kettlebell floor press",
      "category": "Kettlebells",
      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "kettlebell",
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      "phase": "main",
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        "Kettlebell floor press: lie flat on back, head and shoulder blades grounded, knees bent and feet planted.",
        "One kettlebell held in each hand by its handle, bell resting on back of forearm.",
        "Start upper arms touching floor and elbows about 90 degrees.",
        "Press both bells vertically above chest until arms almost straight.",
        "No sitting up.",
        "Two identical small kettlebells stay attached to hands."
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      "name": "Kettlebell goblet squat",
      "category": "Kettlebells",
      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "kettlebell",
      "requiredEquipment": [
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Hold ONE kettlebell by both sides of its handle at chest height, bell hanging below hands.",
        "Feet shoulder width and planted.",
        "Bend hips and knees together into comfortable squat, knees track toes; stand back up.",
        "Bell remains at chest, torso controlled, no body recentering."
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      "slug": "kettlebell-push-press",
      "name": "Kettlebell push press",
      "category": "Kettlebells",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "kettlebell",
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      "phase": "main",
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      "instructions": [
        "Stand holding ONE kettlebell in right front rack.",
        "Dip knees and hips slightly with upright torso, then extend legs and press right hand overhead.",
        "Finish tall with straight right elbow, lower bell to rack.",
        "Clear shallow leg drive distinguishes push press from strict press; feet stay planted throughout.",
        "Repeat on the other side with the same controlled range."
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      "name": "Kettlebell rack carry",
      "category": "Kettlebells",
      "target": "forearms",
      "bodyPart": "lower arms",
      "equipment": "kettlebell",
      "requiredEquipment": [
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      "phase": "main",
      "measurement": "duration",
      "instructions": [
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      "name": "Kettlebell reverse lunge",
      "category": "Kettlebells",
      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "kettlebell",
      "requiredEquipment": [
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      "instructions": [
        "Hold ONE kettlebell at chest with both hands.",
        "Step right foot back, lower right knee toward ground as left knee bends, push through left foot and return to stand.",
        "Demonstrate same side for one cycle.",
        "Front foot fixed, body upright, no forward lunge.",
        "Repeat on the other side with the same controlled range."
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      "category": "Kettlebells",
      "target": "hamstrings",
      "bodyPart": "upper legs",
      "equipment": "kettlebell",
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        "Stand holding ONE kettlebell in both hands in front of thighs, arms long.",
        "Hinge at hips with soft knees and neutral back, lower bell to mid-shin, then stand tall.",
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      "category": "Kettlebells",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "kettlebell",
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      "instructions": [
        "Stand tall with ONE kettlebell in right front-rack position, handle in hand, bell against outer forearm.",
        "Press right hand overhead until elbow straight, then lower to rack.",
        "No knee dip, leaning, or bell switching sides.",
        "Left arm relaxed.",
        "Shoes fixed."
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      "category": "Kettlebells",
      "target": "forearms",
      "bodyPart": "lower arms",
      "equipment": "kettlebell",
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      "phase": "main",
      "measurement": "duration",
      "instructions": [
        "Walk holding ONE kettlebell in anatomical right hand, arm long.",
        "Torso tall and shoulders level.",
        "Alternate natural steps, bell remains in SAME hand."
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      "category": "Core",
      "target": "abs",
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      "equipment": "body weight",
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        "Hold this modified forearm plank with knees resting on floor, then relax back slightly.",
        "No lifting knees or bending elbows dynamically."
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      "category": "Home pushing",
      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "body weight",
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        "Bend elbows diagonally backward to lower chest toward floor, then press back up.",
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      "target": "abs",
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        "Raise hips into a straight line from knees through hips to head, supporting weight on lower forearm and lower knee.",
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        "Hold, then lower hips.",
        "Both knees stay bent and down."
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      "bodyPart": "lower legs",
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      "category": "Barbell accessories",
      "target": "upper back",
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      "equipment": "barbell",
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        "barbell",
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        "row-handle"
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        "Straddle a barbell attached to a fixed floor landmine pivot ahead.",
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      "category": "Dynamic warm-up",
      "target": "abductors",
      "bodyPart": "upper legs",
      "equipment": "body weight",
      "requiredEquipment": [
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      "phase": "warmup",
      "measurement": "repetitions",
      "instructions": [
        "Face a sturdy waist-high rail, both hands rest on it.",
        "left foot planted.",
        "Swing right leg gently out to right then across in front of left leg.",
        "Pelvis level and torso upright, no rotation of rail or stance.",
        "Repeat on the other side with the same controlled range."
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      "name": "Lateral line hop",
      "category": "Power and agility",
      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "body weight",
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      "instructions": [
        "Stand beside a line with feet close together and knees softly bent.",
        "Make a small two-foot hop across the line and land quietly.",
        "Regain balance and hop back without twisting the knees."
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      "slug": "lateral-lunge",
      "name": "Lateral lunge",
      "category": "Home foundations",
      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "body weight",
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      "phase": "main",
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        "Start standing with feet together.",
        "Step the right foot far to the viewer left and sit the hips toward that right heel by bending only the right knee.",
        "The left leg stretches straight to the viewer right, with its knee extended.",
        "Bottom pose must be clearly ASYMMETRIC: one bent knee under hips on one side and one long straight leg to the other side.",
        "Push through the bent-leg foot and return feet together.",
        "Do not make a centered wide squat and do not bend both knees at bottom."
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      "category": "Home foundations",
      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "body weight",
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        "gym"
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      "phase": "main",
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      "instructions": [
        "Stand alongside a low exercise step, step sideways onto it with the nearer foot, straighten that leg to rise and bring the trailing foot alongside on top.",
        "Reverse the same sideways path to return to floor.",
        "Torso faces the same direction throughout; no forward step-up."
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      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "leverage machine",
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        "Knees aligned with machine pivot; padded roller across front of lower shins above ankles.",
        "Begin knees bent, straighten knees to lift roller forward/up until legs nearly straight, then lower.",
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      "category": "Gym machines",
      "target": "quads",
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        "Press away without snapping the knees straight."
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      "equipment": "body weight",
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        "Shallow hip hinge, smooth lateral transfer.",
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      "name": "Machine hip abduction",
      "category": "Gym machines",
      "target": "abductors",
      "bodyPart": "upper legs",
      "equipment": "leverage machine",
      "requiredEquipment": [
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      "environments": [
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Sit upright in fixed hip abduction machine, knees bent, padded contacts on OUTSIDE of knees, feet on supports.",
        "Start knees near hip width, move both knees outward against pads, then return.",
        "Pelvis and torso stationary, only legs and connected machine arms move."
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      "name": "Machine hip adduction",
      "category": "Gym machines",
      "target": "adductors",
      "bodyPart": "upper legs",
      "equipment": "leverage machine",
      "requiredEquipment": [
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      "environments": [
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      "measurement": "repetitions",
      "instructions": [
        "Sit upright in fixed hip adduction machine, padded contacts on INSIDE of knees, feet on supports.",
        "Start legs comfortably apart, squeeze knees inward until nearly together, then reopen.",
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        "Connected machine arms follow knees."
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      "slug": "machine-hip-thrust",
      "name": "Machine hip thrust",
      "category": "Gym machines",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "leverage machine",
      "requiredEquipment": [
        "hip-thrust-machine"
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      "environments": [
        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Use a fixed hip thrust machine, upper back supported on pad and padded belt across hips.",
        "Feet flat on platform.",
        "Extend hips from lowered position until torso and thighs form straight line, then lower.",
        "Head follows torso with chin gently tucked.",
        "Machine base and footplate fixed, belt and lever move with hips."
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      "name": "Machine seated row",
      "category": "Gym machines",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "leverage machine",
      "requiredEquipment": [
        "row-machine"
      ],
      "environments": [
        "gym"
      ],
      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Sit upright in fixed seated row machine, feet planted on foot supports.",
        "Hold handles with arms extended ahead, pull elbows backward close to sides until handles approach lower ribs, then return.",
        "No torso rocking, lever attachment points stay connected and machine base stays still."
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      "name": "Machine shoulder press",
      "category": "Gym machines",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "leverage machine",
      "requiredEquipment": [
        "shoulder-press-machine"
      ],
      "environments": [
        "gym"
      ],
      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Adjust the shoulder-press seat so the handles start near shoulder height.",
        "Keep your back supported while pressing upward through a comfortable range.",
        "Lower the handles with control without arching your lower back."
      ],
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    {
      "id": "trainai-machine-standing-calf-raise",
      "slug": "machine-standing-calf-raise",
      "name": "Machine standing calf raise",
      "category": "Gym machines",
      "target": "calves",
      "bodyPart": "lower legs",
      "equipment": "leverage machine",
      "requiredEquipment": [
        "standing-calf-machine"
      ],
      "environments": [
        "gym"
      ],
      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Stand under shoulder pads of fixed calf raise machine with balls of feet on platform and heels free.",
        "Keep knees nearly straight and torso tall.",
        "Lift heels to rise onto toes, then lower heels.",
        "Shoulder carriage moves slightly vertically with body; base and rails stay fixed."
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      "slug": "one-arm-band-row",
      "name": "One-arm band row",
      "category": "Bands",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "band",
      "requiredEquipment": [
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        "rated-anchor"
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      "environments": [
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        "gym"
      ],
      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Stand in a stable split stance facing a small fixed chest-height anchor ahead.",
        "Hold orange band handle in right hand, arm extended.",
        "Pull right elbow backward alongside ribs, hand to lower ribs, then extend.",
        "Left hand rests on left hip.",
        "No torso rotation.",
        "Shoes and anchor remain fixed.",
        "Repeat on the other side with the same controlled range."
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      "category": "Static stretching",
      "target": "triceps",
      "bodyPart": "upper arms",
      "equipment": "body weight",
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      "environments": [
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        "gym"
      ],
      "phase": "cooldown",
      "measurement": "duration",
      "instructions": [
        "Stand tall feet planted.",
        "Raise right arm overhead, bend elbow so hand reaches upper back.",
        "left hand gently supports right elbow.",
        "Hold comfortable stretch without pulling hard or arching back, then ease hands down.",
        "Repeat on the other side with the same controlled range."
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      "name": "Parallel-bar dip",
      "category": "Pull-up and suspension",
      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "body weight",
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      "phase": "main",
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      "instructions": [
        "Support body between two fixed parallel bars, hands fixed at hips, arms initially straight, knees bent behind.",
        "Bend elbows to lower body until upper arms approximately horizontal, then press back up.",
        "Shoulder motion controlled, no deep dip, no leg kicking."
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      "category": "Home foundations",
      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "body weight",
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      "phase": "main",
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        "Bodyweight squat with arms forward for balance.",
        "Lower hips backward and down to around thighs parallel while knees follow toes and heels stay grounded.",
        "Hold this squat without bouncing, then stand upright.",
        "Neutral controlled trunk, no foot movement or jump."
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      "category": "Gym machines",
      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "leverage machine",
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      "phase": "main",
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      "instructions": [
        "Sit against backrest of fixed pec deck, feet planted.",
        "Hands hold vertical handles, arms open to sides with elbows gently bent.",
        "Bring handles together in front of chest by sweeping upper arms inward, then reopen.",
        "Elbow angle stays constant; this is a fly, not a press.",
        "Machine levers stay attached to fixed pivots."
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      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "body weight",
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      "phase": "main",
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        "Bend elbows to lower crown of head toward a spot just in front of the hands, then straighten elbows to return.",
        "Maintain high hips, do not straighten into a normal plank."
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      "slug": "plank-shoulder-tap",
      "name": "Plank shoulder tap",
      "category": "Core",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "body weight",
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Start in a high plank with feet set wide enough for balance.",
        "Lift one hand to tap the opposite shoulder while keeping the hips quiet.",
        "Replace the hand and repeat on the other side."
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      "category": "Home posterior shoulder",
      "target": "spine",
      "bodyPart": "back",
      "equipment": "body weight",
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      "environments": [
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      "phase": "main",
      "measurement": "duration",
      "instructions": [
        "Lie face down with arms alongside torso, palms toward floor.",
        "Gently lift upper chest a small amount, draw shoulders down and back and rotate palms outward with thumbs up.",
        "Hold this modest prone cobra, neck neutral, then lower.",
        "Pelvis and legs remain down; no pushing on hands and no deep backbend."
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      "category": "Home posterior shoulder",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "body weight",
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Lie face down with legs extended and arms straight outward at shoulder height forming a T, thumbs up.",
        "Lift both straight arms a small distance away from floor by squeezing shoulder blades together, then lower.",
        "Torso and legs remain supported, neck neutral."
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      "name": "Prone W raise",
      "category": "Home posterior shoulder",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "body weight",
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      "environments": [
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        "gym"
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      "phase": "main",
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      "instructions": [
        "Lie face down with legs extended, head aligned with spine.",
        "Bend elbows so arms form a W, upper arms angled out and forearms forward.",
        "Gently lift bent arms a short distance off floor by drawing shoulder blades down and together, then lower them.",
        "Chest and pelvis remain supported."
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      "category": "Home posterior shoulder",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "body weight",
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        "Lie flat face down, straight legs grounded.",
        "Both arms extend overhead diagonally in a fixed Y, thumbs upward.",
        "Lift the straight arms only a small distance off the floor, then hold the endpoint.",
        "Arms stay in the same overhead Y direction, never sweep backward into a T.",
        "Chest and pelvis stay grounded, neck neutral."
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      "name": "Pull-up",
      "category": "Pull-up and suspension",
      "target": "lats",
      "bodyPart": "back",
      "equipment": "body weight",
      "requiredEquipment": [
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      "environments": [
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        "gym"
      ],
      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Hold a rated pull-up bar with an overhand grip and brace the trunk.",
        "Pull by driving the elbows down until your chin approaches bar height without craning the neck.",
        "Lower under control without swinging."
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      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "body weight",
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        "Keep one knee bent about 90 degrees and lift that thigh backward until aligned with the torso, sole facing upward; lower the same knee under the hip.",
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      "target": "glutes",
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      "equipment": "body weight",
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      "phase": "warmup",
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        "Slowly shift hips backward toward heels while arms reach long, then return hips above knees.",
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      "category": "Mobility",
      "target": "forearms",
      "bodyPart": "lower arms",
      "equipment": "body weight",
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      "name": "Reverse barbell curl",
      "category": "Barbell accessories",
      "target": "biceps",
      "bodyPart": "upper arms",
      "equipment": "barbell",
      "requiredEquipment": [
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        "plates"
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      "environments": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Standing reverse barbell curl with overhand PRONATED grip.",
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      "category": "Core",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "body weight",
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        "Curl pelvis gently toward ribs so tailbone lifts a small distance and knees move toward chest, then lower pelvis under control.",
        "Head and shoulders stay down.",
        "No swinging straight legs or rolling onto neck."
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      "bodyPart": "upper legs",
      "equipment": "body weight",
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        "Start standing with feet hip-width.",
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        "One controlled repetition on one side.",
        "Front knee aligned with toes, neutral upright torso.",
        "No alternating sides within this loop.",
        "Repeat on the other side with the same controlled range."
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      "target": "delts",
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        "Keep a slight elbow bend as you open the arms to the sides without forcing them behind your body.",
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      "target": "upper back",
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      "equipment": "body weight",
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      "target": "cardiovascular system",
      "bodyPart": "cardio",
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      "bodyPart": "chest",
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        "Depress shoulder blades to lift torso only a few centimeters without bending elbows, then relax shoulders into hang.",
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      "target": "upper back",
      "bodyPart": "back",
      "equipment": "band",
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        "A two-handle orange resistance band runs from hands to a fixed small anchor ahead at ankle height.",
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      "name": "Seated cable row",
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      "target": "upper back",
      "bodyPart": "back",
      "equipment": "cable",
      "requiredEquipment": [
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        "row-handle"
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      "environments": [
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      "phase": "main",
      "measurement": "repetitions",
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      "target": "calves",
      "bodyPart": "lower legs",
      "equipment": "leverage machine",
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      "phase": "main",
      "measurement": "repetitions",
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      "phase": "main",
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        "Start with dumbbells at shoulder height and press overhead without arching the lower back.",
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      "category": "Static stretching",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "body weight",
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      "phase": "cooldown",
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      "instructions": [
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        "Cross right ankle over left thigh above knee, right knee opens out.",
        "Keep back long and hinge forward a little from hips.",
        "Hold comfortable stretch, then ease upright.",
        "Chair and planted left foot stay fixed.",
        "Repeat on the other side with the same controlled range."
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      "target": "hamstrings",
      "bodyPart": "upper legs",
      "equipment": "body weight",
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      "phase": "cooldown",
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        "Hold then ease upright.",
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      "name": "Seated heel raise",
      "category": "Chair and seated movement",
      "target": "calves",
      "bodyPart": "lower legs",
      "equipment": "body weight",
      "requiredEquipment": [
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      "target": "hamstrings",
      "bodyPart": "upper legs",
      "equipment": "leverage machine",
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      "phase": "main",
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        "Secure the thigh pad and place the lower-leg pad above the heels.",
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      "target": "glutes",
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      "bodyPart": "neck",
      "equipment": "body weight",
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      "phase": "cooldown",
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        "Gently tilt right ear toward right shoulder while shoulders stay level and down.",
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      "target": "upper back",
      "bodyPart": "back",
      "equipment": "body weight",
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      "phase": "seated",
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      "instructions": [
        "Sit upright on sturdy armless chair feet flat.",
        "Arms relaxed beside torso, elbows bent lightly.",
        "Gently draw shoulder blades back and slightly down without shrugging, hold briefly, release.",
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      "category": "Static stretching",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "body weight",
      "requiredEquipment": [
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      "phase": "cooldown",
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      "instructions": [
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        "left hand holds side of seat, right arm reaches overhead and torso bends gently to left.",
        "Both hips remain seated, no twisting.",
        "Hold then return upright, chair and feet still.",
        "Repeat on the other side with the same controlled range."
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      "target": "spine",
      "bodyPart": "back",
      "equipment": "body weight",
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      "phase": "mobility",
      "measurement": "repetitions",
      "instructions": [
        "Sit cross-legged on floor upright, arms crossed lightly across chest.",
        "Rotate ribcage gently right while pelvis stays forward, return center, rotate left, return center.",
        "Head follows shoulders, no leaning.",
        "Repeat on the other side with the same controlled range."
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      "category": "Chair and seated movement",
      "target": "tibialis anterior",
      "bodyPart": "lower legs",
      "equipment": "body weight",
      "requiredEquipment": [
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      "phase": "seated",
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      "instructions": [
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        "Keep both heels on floor, raise both forefeet and toes toward shins, then lower.",
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        "Hands on thighs and torso still."
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      "category": "Low-impact cardio",
      "target": "cardiovascular system",
      "bodyPart": "cardio",
      "equipment": "body weight",
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      "phase": "main",
      "measurement": "duration",
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        "Extend left jab straight forward and retract to guard, then right cross with small torso rotation and rear heel pivot, return to guard.",
        "Elbows not locked; no target, no opponent.",
        "Keep feet on same spots, alternate hands correctly."
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      "category": "Dynamic warm-up",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "body weight",
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      "phase": "warmup",
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        "Gently roll shoulders forward, then up, then back, then down completing one circle.",
        "Arms hang naturally and feet stay still.",
        "Head upright and quiet, no neck circles."
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      "category": "Bands",
      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "band",
      "requiredEquipment": [
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      "environments": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Stand with stable split stance, a fixed small orange-band anchor behind torso at chest height.",
        "Hold ends by chest with elbows bent.",
        "Press both hands forward at chest height until elbows nearly straight, then return.",
        "Band passes outside arms, always visibly connected behind.",
        "No body sway or stepping."
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      "name": "Standing band row",
      "category": "Bands",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "band",
      "requiredEquipment": [
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      "environments": [
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      "phase": "main",
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      "instructions": [
        "Stand in a fixed staggered stance facing an orange resistance tube attached to a small fixed dark anchor at lower-chest height ahead.",
        "Hold two ends with arms extended.",
        "Pull both elbows backward close to ribs until hands meet lower ribs, then straighten arms.",
        "Torso, shoes and anchor stay still; band stretches continuously."
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      "category": "Home foundations",
      "target": "calves",
      "bodyPart": "lower legs",
      "equipment": "body weight",
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      "phase": "main",
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      "instructions": [
        "Standing bilateral calf raise.",
        "Stand tall with straight but soft knees, feet hip-width apart, arms relaxed beside hips.",
        "Lift both heels together to rise onto the balls of both feet, pause briefly then lower heels to the floor.",
        "Toe/ball contacts stay fixed; the entire body rises naturally as the ankles plantarflex, no knee squat, no jumping or floating.",
        "Keep both shoes identical size and view.",
        "Show one complete rise and lower."
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      "category": "Dumbbell foundations",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "dumbbell",
      "requiredEquipment": [
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      "environments": [
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        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Stand tall with dumbbells at shoulder height and wrists over elbows.",
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      "category": "Dynamic warm-up",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "body weight",
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      "phase": "warmup",
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      "instructions": [
        "Stand tall hands on hips feet wider than hip width.",
        "Make a gentle small pelvis circle forward, right, back, left, returning.",
        "Knees soft and feet planted, torso inclines only slightly.",
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        "Repeat on the other side with the same controlled range."
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      "category": "Cable station",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "cable",
      "requiredEquipment": [
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        "row-handle"
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      "phase": "main",
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      "instructions": [
        "Stand facing fixed cable column, pulley at lower chest height.",
        "Stable split stance.",
        "Hold single handle in right hand with arm extended, pull elbow toward right hip then return.",
        "Left hand rests on hip, torso faces forward and does not twist.",
        "Cable continuously attached.",
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      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "body weight",
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        "Feet remain flat shoulder width.",
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      "target": "cardiovascular system",
      "bodyPart": "cardio",
      "equipment": "stationary bike",
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      "phase": "main",
      "measurement": "duration",
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        "Keep both feet on the pedals and cycle smoothly with a relaxed upper body.",
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      "target": "cardiovascular system",
      "bodyPart": "cardio",
      "equipment": "body weight",
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      "phase": "main",
      "measurement": "repetitions",
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        "Low impact step-back burpee WITHOUT push-up or jump.",
        "From standing squat down place palms, step one foot back then other to high plank, step one foot in then other, rise to standing.",
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      "target": "cardiovascular system",
      "bodyPart": "cardio",
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      "phase": "main",
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      "instructions": [
        "Low-impact step jack with NO jumping: start feet together and arms at sides, step right foot sideways while both arms sweep overhead, then return right foot and lower arms.",
        "Next step left foot sideways with both arms overhead, then return left foot and arms.",
        "One foot stays planted at all times.",
        "Repeat on the other side with the same controlled range."
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      "target": "forearms",
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      "equipment": "dumbbell",
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      "phase": "main",
      "measurement": "duration",
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      "name": "Suitcase hold",
      "category": "Dumbbell accessories",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "dumbbell",
      "requiredEquipment": [
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      "phase": "main",
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      "instructions": [
        "Stand tall holding one dumbbell at your side.",
        "Keep both shoulders level and avoid leaning toward or away from the weight.",
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      "category": "Static stretching",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "body weight",
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      "instructions": [
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        "Hold behind left thigh and gently draw left thigh toward torso, right knee opens outward.",
        "Head and shoulders stay on floor.",
        "Hold steady then release slightly; no pulling directly on right knee.",
        "Repeat on the other side with the same controlled range."
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        "Loop a strap around ball of right foot, hold strap ends with both hands and raise right leg toward ceiling, knee softly bent.",
        "Keep pelvis and head on floor.",
        "Hold then lower slightly, never pull forcefully.",
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      "category": "Mobility",
      "target": "quads",
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      "phase": "mobility",
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      "target": "calves",
      "bodyPart": "lower legs",
      "equipment": "body weight",
      "requiredEquipment": [
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        "Rock onto balls of feet lifting heels slightly, return flat, then rock onto heels lifting toes slightly, return flat.",
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      "name": "Supported single-leg balance",
      "category": "Balance and supported movement",
      "target": "calves",
      "bodyPart": "lower legs",
      "equipment": "body weight",
      "requiredEquipment": [
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        "gym"
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      "phase": "balance",
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      "instructions": [
        "Stand beside fixed waist-high rail with left hand lightly touching it.",
        "Shift weight onto left leg, bend right knee and lift right foot a few centimeters.",
        "Hold steady upright, then replace right foot.",
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      "target": "quads",
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      "equipment": "body weight",
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        "Place right heel immediately in front of left toes in a heel-to-toe tandem stance.",
        "Stand tall and hold steady, then ease to a wider stance.",
        "Knees soft; no eyes-closed challenge.",
        "Repeat on the other side with the same controlled range."
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      "category": "Pull-up and suspension",
      "target": "upper back",
      "bodyPart": "back",
      "equipment": "body weight",
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        "Walk the feet forward to a manageable incline, keeping the body straight.",
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      "target": "quads",
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      "equipment": "body weight",
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        "gym"
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      "phase": "balance",
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        "Walk heel-to-toe slowly along a fixed rail, one hand sliding lightly on rail.",
        "Alternate the leading foot; each forward heel goes directly in front of the opposite toes.",
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        "Lower hips back and down slowly to around thighs parallel, knees tracking toes and heels grounded; stand back up.",
        "Feet hip-to-shoulder width, slight outward toe angle, neutral spine.",
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      "bodyPart": "back",
      "equipment": "body weight",
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      "phase": "mobility",
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        "Lift right arm and rotate chest open toward ceiling, bringing right arm back toward floor behind, then return to stacked hands.",
        "Knees stay stacked and still, head follows gently.",
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      "category": "Mobility",
      "target": "spine",
      "bodyPart": "back",
      "equipment": "body weight",
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      "phase": "mobility",
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        "Only reaching arm and upper trunk move.",
        "Repeat on the other side with the same controlled range."
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      "bodyPart": "lower legs",
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        "Body remains almost still, movement occurs only at ankles."
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      "category": "Barbell foundations",
      "target": "hamstrings",
      "bodyPart": "upper legs",
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        "Stand INSIDE a clear hexagonal trap bar with small equal plates at sides.",
        "Grip elevated side handles with neutral hands.",
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      "category": "Cardio equipment",
      "target": "cardiovascular system",
      "bodyPart": "cardio",
      "equipment": "treadmill",
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      "environments": [
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      "phase": "main",
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        "Build to a comfortable run while staying near the center of the belt and keeping your gaze forward.",
        "Reduce speed gradually before stepping off."
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      "target": "cardiovascular system",
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        "Natural alternating walking on compact treadmill.",
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        "One leg forward while other back then exchange; opposite arms swing."
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      "name": "Two-hand kettlebell swing",
      "category": "Kettlebells",
      "target": "hamstrings",
      "bodyPart": "upper legs",
      "equipment": "kettlebell",
      "requiredEquipment": [
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      "phase": "main",
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        "Two-hand Russian kettlebell swing.",
        "Begin hips hinged, knees soft, bell between upper thighs behind hands.",
        "Drive hips to tall stance so bell floats forward to chest height on long arms, then let bell return between thighs while hinging.",
        "Neutral back, no overhead swing, no deep squat, no arm curl.",
        "Depict continuous swing arc."
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      "name": "Wall slide",
      "category": "Mobility",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "body weight",
      "requiredEquipment": [
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        "gym"
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      "phase": "mobility",
      "measurement": "repetitions",
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        "Arms in goalpost shape, backs of hands near wall.",
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      "category": "Home foundations",
      "target": "calves",
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      "equipment": "body weight",
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      "phase": "main",
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        "Raise both heels together to rise onto the balls of feet, then lower heels slowly.",
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      "target": "quads",
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      "phase": "cooldown",
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        "Knees close, pelvis neutral, torso upright.",
        "Hold then gently lower right foot.",
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      "phase": "mobility",
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        "Circle both wrists gently through flexion, side bend, extension and opposite side.",
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      "category": "Static stretching",
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      "category": "Static stretching",
      "target": "forearms",
      "bodyPart": "lower arms",
      "equipment": "body weight",
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      "phase": "cooldown",
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        "Use left hand gently across right fingers to guide right wrist backward, fingers down.",
        "Hold light stretch then release slightly.",
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        "Repeat on the other side with the same controlled range."
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        "Hold your hands together close to your chest. Keep your heels down for an easier variation, or lift them slightly if you can keep your balance.",
        "Turn your ribcage and shoulders a small, controlled distance to one side while your hips stay still.",
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      "target": "hamstrings",
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        "Stand with your feet about hip-width apart, soften your knees and brace your trunk.",
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      "target": "abductors",
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        "Move your knees apart against the band through a comfortable range without leaning your trunk.",
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      "target": "abs",
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      "equipment": "wheel roller",
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      "phase": "main",
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        "Brace your abdomen and keep your ribs down as you roll the wheel forward slowly.",
        "Move your shoulders and hips forward together. Stop within a range where your lower back stays controlled; you do not need to reach the floor.",
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      "target": "delts",
      "bodyPart": "shoulders",
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      "phase": "main",
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        "Stand tall with your feet planted and your elbow slightly bent. Keep your other hand at your hip.",
        "Raise your working arm forward to about shoulder height without leaning back or shrugging.",
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      "target": "delts",
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        "Stop at a mild comfortable stretch and breathe normally. Do not pull on your head or force the range.",
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        "Keep your trunk steady and gently bring the heel toward your buttock until you feel a mild stretch at the front of the thigh. Avoid arching your lower back.",
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      "target": "lats",
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        "Step back, soften your knees and hinge at your hips while keeping your hands supported.",
        "Allow your chest to lower gently between your arms until you feel a comfortable stretch through your sides and chest. Keep your neck aligned with your back.",
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        "Raise both heels by pressing through your forefeet. Your knees and the supported bar rise a short distance while your hips stay seated.",
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      "category": "Calf strength",
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      "category": "Calf strength",
      "target": "calves",
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        "Lift your hips until your head, trunk and legs form one long line. Keep the top arm resting along your side.",
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      "category": "Bodyweight core",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "body weight",
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        "Brace your abdomen and curl your upper body toward your thighs, rising partway toward sitting.",
        "Keep your feet planted and your neck in line with your trunk. Use a controlled range without jerking.",
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        "Keep your hips lifted and your trunk steady as you raise the top leg a small distance away from the lower leg.",
        "Keep the working knee comfortably straight and avoid rolling your pelvis backward.",
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        "Reach the top arm upward while keeping your hips lifted and your trunk long.",
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      "target": "abs",
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        "Brace your abdomen and keep your hips level. Slowly reach one arm forward while lifting the opposite leg slightly.",
        "Keep both lifted limbs near the height of your trunk without arching your back or rotating your pelvis.",
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      "target": "adductors",
      "bodyPart": "upper legs",
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        "Press through the supported top leg and forearm to lift your hips into a long body line.",
        "Bring the lower leg upward toward the supported leg while keeping your pelvis controlled.",
        "Lower the free leg and hips slowly through a comfortable range, then repeat on the other side. Use this advanced variation only when you can control the supported position."
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      "target": "triceps",
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        "Take a comfortable close overhand grip and keep your wrists aligned with your forearms. Use the rack safeties or a spotter for a loaded bar.",
        "Lower the bar toward your upper chest with your elbows close to your sides, then press up under control.",
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      "target": "serratus anterior",
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        "Keep your elbows comfortably straight and your head, back and hips supported.",
        "Reach the bar a small distance upward by moving your shoulder blades forward around your ribcage. Do not bend your elbows into a press.",
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      "target": "serratus anterior",
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        "Keep your elbows comfortably straight, your wrists neutral and your head and back supported.",
        "Reach both weights upward a small distance by moving your shoulder blades forward, without bending your elbows or lifting your torso.",
        "Lower the shoulder blades under control to the starting position. Keep this a small shoulder-blade movement rather than a dumbbell press."
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      "bodyPart": "upper legs",
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        "Keep your knees softly unlocked with only a small bend and brace your trunk.",
        "Push your hips backward and hinge forward while keeping your back long and your arms hanging down. Stop within a range where your spine stays controlled.",
        "Press through your feet and bring your hips forward to stand tall. Keep the band secure and avoid leaning backward at the top."
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      "name": "Barbell stiff-leg deadlift",
      "category": "Barbell foundations",
      "target": "hamstrings",
      "bodyPart": "upper legs",
      "equipment": "barbell",
      "requiredEquipment": [
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      "phase": "main",
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      "instructions": [
        "Stand with your feet about hip-width apart, holding a light barbell in front of your thighs with an overhand grip.",
        "Brace your trunk and keep a small, comfortable bend in your knees without locking them.",
        "Hinge at your hips, moving them backward while lowering the bar close to your legs. Keep your arms straight and your spine long.",
        "Stop before your back rounds, then bring your hips forward to stand tall. The bar does not need to reach the floor."
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      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "band",
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        "Attach a light resistance band securely to a rated low anchor in front of you and hold one end in each hand. Stand with your feet planted and your trunk upright.",
        "Keep a soft bend in your elbows and your shoulders relaxed.",
        "Raise both arms forward and outward into a comfortable Y shape without leaning back or forcing your shoulders.",
        "Lower both hands slowly along the same path, maintaining control of the band."
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      "category": "Balance",
      "target": "quads",
      "bodyPart": "upper legs",
      "equipment": "balance board",
      "requiredEquipment": [
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        "Place a suitable balance board on a flat, clear, non-slip surface near a stable support you can reach.",
        "Step onto the board carefully and place both feet about hip-width apart. Keep your knees softly bent.",
        "Keep your trunk upright and hold a controlled balanced position, using light support as needed. Do not force the board to tip sharply.",
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      "target": "cardiovascular system",
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        "Return that foot to the floor under control, then raise the opposite knee. The demonstration shows one representative knee drive.",
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        "Squat down under control with your feet planted and knees following your toes until your hips lightly touch the bench.",
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      "category": "Barbell accessories",
      "target": "quads",
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        "Support a light barbell securely across your upper back and grip it outside your shoulders. Place the top of your rear foot on a stable low bench.",
        "Set your front foot far enough forward that you can lower comfortably while keeping its heel grounded.",
        "Bend your front knee and lower your hips under control, letting the rear knee move downward without striking the floor.",
        "Press through the front foot to rise without locking the knee forcefully. Keep the bar stable and repeat on the other side after your set."
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      "target": "quads",
      "bodyPart": "upper legs",
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        "Secure a resistance band to a rated low anchor in front of you and hold its handle in one hand beside your hip.",
        "Rest the top of your rear foot on a stable low platform and plant your front foot far enough forward for a comfortable split squat.",
        "Lower your hips by bending the front knee, keeping the front heel down, your trunk controlled and the band handle beside you.",
        "Push through the front foot to rise smoothly. Keep the rear foot supported and repeat on the other side after completing your repetitions."
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      "target": "quads",
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        "Brace your trunk and press through the foot on the step to lift your body. Keep the knee aligned with the foot.",
        "Finish standing tall on the step without forcing the working knee past straight. Use the other leg only as needed for balance.",
        "Lower the trailing foot back to the floor slowly while keeping the leading foot and band secure. Complete your repetitions, then change sides."
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      "category": "Bands",
      "target": "biceps",
      "bodyPart": "upper arms",
      "equipment": "band",
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      "instructions": [
        "Stand securely on the middle of a long resistance band and hold an end in each hand with your palms facing forward.",
        "Keep your upper arms beside your body and curl one hand toward its shoulder without leaning or lifting the elbow.",
        "Lower that hand slowly, then curl the other arm while the first stays down.",
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      "id": "trainai-legacy-0989",
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      "name": "Floor-seated single-arm rotating band chest press",
      "category": "Bands",
      "target": "pectorals",
      "bodyPart": "chest",
      "equipment": "band",
      "requiredEquipment": [
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      "phase": "main",
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        "Hold the handle beside your chest with one hand and keep your other hand on your hip. Sit tall and brace your abdomen.",
        "Press the working hand forward while allowing a small controlled turn through your ribcage. Keep your pelvis and legs steady.",
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        "Use your supporting limbs to control pressure as you shift gently over a short section of the outer thigh. Avoid the hip joint and knee.",
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        "Support yourself on your lower forearm and place your top hand on the floor in front of your chest.",
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      "category": "Machines",
      "target": "triceps",
      "bodyPart": "upper arms",
      "equipment": "assisted dip machine",
      "requiredEquipment": [
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        "Set a suitable counterweight on an assisted-dip machine and take a secure grip on its fixed parallel handles.",
        "Place both knees on the assistance pad and begin with your arms extended comfortably and trunk upright.",
        "Bend your elbows to lower through a comfortable range as the pad follows your knees. Keep your shoulders controlled.",
        "Press through the handles to rise. Keep both knees on the pad and use the machine's steps to dismount safely."
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      "category": "Bands",
      "target": "triceps",
      "bodyPart": "upper arms",
      "equipment": "band",
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        "Set your hands narrowly beneath your chest and extend your legs into a braced plank with toes on the floor.",
        "Bend your elbows back close to your ribs and lower your chest toward your hands while keeping your body in one line.",
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      "target": "traps",
      "bodyPart": "back",
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        "Hold the handles lightly to steady yourself, keeping your knees softly extended and your trunk upright.",
        "Raise both shoulders toward your ears through a small comfortable range, lifting the pads without using your legs.",
        "Lower your shoulders slowly. Keep your feet planted and avoid rolling your shoulders or pushing with your arms."
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      "category": "Core equipment",
      "target": "spine",
      "bodyPart": "back",
      "equipment": "stability ball",
      "requiredEquipment": [
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      "phase": "main",
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        "Lie face down over a stability ball with your lower abdomen and hips supported. Place your feet wide on the floor for balance.",
        "Rest your hands lightly beside your head without pulling on your neck and lower your chest comfortably over the ball.",
        "Lift your chest until your trunk approaches a straight line with your legs, keeping your feet and hips supported.",
        "Lower slowly. Use a modest range and avoid arching beyond your body line."
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      "category": "Core equipment",
      "target": "spine",
      "bodyPart": "back",
      "equipment": "stability ball",
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        "Keep your arms comfortably beside your body and your pelvis supported on the ball.",
        "Lift your chest toward your body line while turning your ribcage a small distance to one side. Avoid forcing your lower back into an arch.",
        "Return slowly to face downward. Repeat on the other side after completing a controlled repetition; the demonstration shows one side."
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    {
      "id": "trainai-legacy-0980",
      "slug": "supported-band-hip-extension",
      "name": "Supported band hip extension",
      "category": "Bands",
      "target": "glutes",
      "bodyPart": "upper legs",
      "equipment": "band",
      "requiredEquipment": [
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        "ankle-cuff",
        "rated-anchor",
        "wall"
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      "environments": [
        "home",
        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Attach a light band to a rated low anchor in front of you and secure its other end to a cuff around one ankle.",
        "Lean forward slightly with both palms against a stable wall and balance on the other leg with its knee soft.",
        "Move the cuffed leg gently backward from the hip while keeping that knee comfortably extended and your pelvis facing forward.",
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        "Lean your trunk slightly forward while keeping your shoulders controlled.",
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      "bodyPart": "upper legs",
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        "Start upright with your hips extended and your arms crossed over your chest.",
        "Extend your knees slowly to lower your trunk and thighs forward together, keeping your hips in line. Use only a range you can control.",
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      "target": "obliques",
      "bodyPart": "waist",
      "equipment": "hyperextension bench",
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      "phase": "main",
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      "instructions": [
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        "Keep your legs long and rest your hands lightly beside your head without pulling on your neck.",
        "Bend your trunk sideways through a small comfortable range while your hips and feet remain supported.",
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      "name": "Ab-strap straight-leg raise",
      "category": "Core equipment",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "ab straps",
      "requiredEquipment": [
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        "pull-up-bar"
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      "environments": [
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Secure rated abdominal support straps to a stable pull-up bar and place your upper arms fully into the slings.",
        "Grip the straps, brace your trunk and begin with your legs hanging long below you.",
        "Raise both legs forward toward hip height while keeping your knees comfortably extended and your upper arms supported.",
        "Lower slowly without swinging. Use a smaller range if you cannot keep your trunk controlled."
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      "category": "Bands",
      "target": "tibialis anterior",
      "bodyPart": "lower legs",
      "equipment": "band",
      "requiredEquipment": [
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        "stable-step",
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      "phase": "main",
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      "instructions": [
        "Secure a light resistance band beneath a stable low step and hold its handle at your hip. Use your other hand on a stable support.",
        "Place the heel of one foot securely near the step's front edge with the forefoot free, and lift your other foot.",
        "Keeping the heel supported, raise your toes toward your shin through a small comfortable ankle movement.",
        "Lower your toes slowly without shifting your heel or bending your knee. Repeat on the other side."
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      "name": "Weighted parallel-bar dip",
      "category": "Weighted bodyweight",
      "target": "triceps",
      "bodyPart": "upper arms",
      "equipment": "weighted",
      "requiredEquipment": [
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        "dip-belt",
        "plates"
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      "environments": [
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      ],
      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Secure a manageable load to a rated dip belt and grip stable parallel bars. Keep the hanging plate clear of the frame and floor.",
        "Support yourself with your arms extended comfortably and your feet lifted, keeping the load still beneath your hips.",
        "Bend your elbows to lower through a comfortable range, controlling your shoulders and the hanging weight.",
        "Press back up smoothly without bouncing, swinging the plate or forcing your elbows past straight."
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      "slug": "partner-assisted-hanging-knee-raise",
      "name": "Partner-assisted hanging knee raise",
      "category": "Partner exercises",
      "target": "abs",
      "bodyPart": "waist",
      "equipment": "assisted",
      "requiredEquipment": [
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        "partner"
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      "environments": [
        "home",
        "gym"
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      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Grip a stable pull-up bar with both hands and hang with your shoulders controlled.",
        "Have a partner stand beside you and provide light support beneath your lower legs as needed.",
        "Bend your knees and bring them toward hip height without swinging, allowing the partner's hands to follow the movement.",
        "Lower slowly while keeping your grip secure. The partner should assist gently rather than pull or force the range."
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      "name": "Partner-assisted supine calf stretch",
      "category": "Stretching",
      "target": "calves",
      "bodyPart": "lower legs",
      "equipment": "assisted",
      "requiredEquipment": [
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      "environments": [
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        "gym"
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      "phase": "cooldown",
      "measurement": "duration",
      "instructions": [
        "Lie on your back with one knee bent and that foot resting on the floor.",
        "Raise the other leg to a comfortable angle with the knee softly extended. Have a partner support your heel and forefoot.",
        "The partner gently guides your toes toward your shin until you feel a mild calf stretch, without bending your toes or forcing your knee.",
        "Hold while breathing normally, then release the pressure slowly and switch legs."
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    {
      "id": "trainai-legacy-1383",
      "slug": "hack-sled-calf-raise",
      "name": "Hack-sled calf raise",
      "category": "Machines",
      "target": "calves",
      "bodyPart": "lower legs",
      "equipment": "sled machine",
      "requiredEquipment": [
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      ],
      "environments": [
        "gym"
      ],
      "phase": "main",
      "measurement": "repetitions",
      "instructions": [
        "Set up in an inclined hack-squat machine with your back on the sled pad, shoulders under its pads and hands holding the handles.",
        "Place the balls of your feet securely near the lower edge of the footplate so your heels can move, and keep your knees softly extended.",
        "Release the safety catches when securely positioned, then lift your heels to move the sled a short distance up the rails.",
        "Lower the heels under control without slipping or locking your knees. Re-engage the catches before leaving the machine."
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      "target": "biceps",
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      "equipment": "barbell",
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        "Let your upper arms hang toward the floor and keep your chest against the pad.",
        "Bend your elbows to curl the bar through a controlled range, stopping before your upper arms lift or the bar approaches the bench.",
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        "Keep that upper arm beside your torso and use your free hand at your hip for balance.",
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      "target": "biceps",
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        "Adjust a preacher bench so both upper arms rest against the sloping pad and your feet stay planted.",
        "Hold a light bar palms-up, with your elbows slightly bent at the starting position.",
        "Bend your elbows to curl the bar while keeping your upper arms against the pad. Stop before the shoulders or elbows lift.",
        "Lower under control without locking your elbows or bouncing at the bottom."
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      "category": "Bands",
      "target": "delts",
      "bodyPart": "shoulders",
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      "requiredEquipment": [
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      "phase": "main",
      "measurement": "repetitions",
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        "Attach a resistance band securely to a rated anchor around face height and hold one handle in each hand.",
        "Stand in a comfortable split stance with your trunk upright and your arms reaching toward the anchor.",
        "Pull both handles toward your upper chest while bending and opening your elbows outward. Keep your shoulders away from your ears.",
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        "Place both palms on the floor behind your hips and keep your elbows comfortably extended.",
        "Press gently through your hands to lift your chest and hips a small distance while the roller supports your thighs.",
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      "name": "Foam-roller single-leg seated shoulder support",
      "category": "Mobility",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "foam roller",
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        "Place both palms behind your hips and keep your elbows comfortably extended.",
        "Press through your hands and planted foot to lift your chest and hips slightly while the long leg stays supported on the roller.",
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        "Brace your trunk and lift your hips against the band until your shoulders, hips and knees form a comfortable straight line.",
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        "Hinge at your hips, brace your trunk and support your free hand on your thigh. Grip the bar near the loaded end with the working hand.",
        "Pull your elbow back toward your hip while keeping the free hand on your thigh and the landmine pivot fixed.",
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        "Hold the handles with your arms reaching toward the anchor, keeping your torso upright.",
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      "category": "Bands",
      "target": "delts",
      "bodyPart": "shoulders",
      "equipment": "band",
      "requiredEquipment": [
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        "Face the anchor with your feet planted, arms reaching forward and a slight bend in your elbows.",
        "Open both arms outward together through a comfortable range, keeping the small elbow bend and your trunk steady.",
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