Mobility
Thread the needle
A TrainAI movement demonstration with equipment and setup cues.

How to do thread the needle
spineRepetitionshome · gym
Equipment
No equipment required.
- From quadruped, one arm threads palm-up under opposite arm, chest rotates and threading shoulder lowers toward floor.
- Both knees and support palm stay fixed.
- Only reaching arm and upper trunk move.
- Repeat on the other side with the same controlled range.
Choose a comfortable range and use secure equipment. The illustration is a movement reference; stop if a movement causes pain.