Rotator Cuff Muscles Anatomy Origin, Insertion, Nerve Supply & Action A Detailed Explanation

Rotator cuff muscles are also referred to as the SITS muscle, with reference to the first letter of their names (Supraspinatus, Infraspinatus,Teres minor, and Subscapularis, respectively). The muscles arise from the scapula and connect to the head of the humerus, forming a cuff around the glenohumeral joint. They provide dynamic stability of shoulder joint and helps in different movements of arm.
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