The rotator cuff is a series of four muscles and tendons that attach to the upper part of the arm and cover the head of the humerus. These tendons serve to elevate and rotate the shoulder, and tears of the rotator cuff are a common cause of shoulder pain. Cause Most tears are degenerative in nature – the tendon simply “wears out” due primarily to a decrease in blood supply at the attachment point of the tendon as we age. Patients who are especially at risk include those who engage in … [Read more...] about Rotator Cuff Tears