subscapularis

Subscapularis Tears

AnatomySSC Longitudinal Tear

 

Largest and most powerful rotator cuff

- arises coastal border of scapula

- superior 2/3 tendon inserts into LT

- inferior 1/3 inserts into proximal humerus

 

Action

- IR (with T major, P major, Lat Dorsi)

- part of force couplet depressing humeral head

 

Incidence