Four muscles and their tendons make up the rotator cuff; they smooth arm motion and stabilize the shoulder joint. The supraspinatus, infraspinatus, teres minor, and subscapularis aid the shoulder when ...
Saddled with shoulder discomfort or struggling to lift your arm? A rotator cuff tear could be causing your pain. "The rotator cuff is a group of four muscles and their tendons that help your shoulder ...