Rotator cuff

The rotator cuff (SITS muscles) is a group of muscles and their tendons that act to stabilize the human shoulder and allow for its extensive range of motion. Of the seven scapulohumeral muscles, four make up the rotator cuff. The four muscles are: supraspinatus muscleinfraspinatus muscleteres minor musclesubscapularis muscleStructureMuscles composing rotator cuffThe supraspinatus muscle spreads out in a horizontal band to insert on the superior facet of the greater tubercle of the humerus.