Surgery is rarely used to treat rotator cuff tendinitis unless the rotator cuff is severely damaged or torn. The upper arm bone (the humerus) is connected to the shoulder by muscles and tendons. Four ...

The three bones that compose the shoulder are the humerus (upper arm), the scapula (shoulder blade), and the clavicle (collarbone). They form four separate joints: The glenohumeral joint is a ball-and ...

Roshini Raj, MD, is Health's former magazine's medical editor and coauthor of What the Yuck?!. Board-certified in gastroenterology and internal medicine, Dr. Raj is a Clinical Associate Professor ...