Expansion
Flexion, extension, abduction, adduction, medial rotation, lateral rotation and circumduction
Expansion
- Flexion - anterior deltoid, pectoralis major, coracobrachialis
- Extension - posterior deltoid, latissimus dorsi, teres major
- Abduction - supraspinatus then deltoid
- Adduction - pectoralis major, latissimus dorsi, teres major
- Medial rotation - subscapularis, pectoralis major, latissimus dorsi, teres major
- Lateral rotation - infraspinatus and teres minor
- Circumduction - a combination of all of the above