Protocols / OH Reach
control · frontal · 8s model
Overhead Reach
Shoulder flexion/abduction, scapular upward rotation proxy, and thoracolumbar extension.
Setup
- Frontal view, both arms in frame
- Reach both arms overhead; hold 1 s
- Feet planted, knees quiet
Scoring rubric
- Arms reach vertical without excessive lumbar extension
- Symmetrical elbow extension
- No early shrug as the primary motion
Literature
Kibler — scapular roles. Inman, Saunders & Abbott — shoulder rhythm.
Tracked joints: shoulder, trunk, elbow. The kinematic engine is a teaching model scaled to the active subject. Export CSV from the report for your own processing.