The shoulder is the most mobile joint in the body, allowing a tremendous amount of motion of the arm. The shoulder is normally held in place by a joint capsule and ligaments. Its movement and strength are derived from the many important muscles of the shoulder, including the rotator cuff, biceps, triceps, and scapula muscles.
Shoulder injuries may be the result of a trauma, such as a fall. They may also be due to overuse, such as throwing a ball repetitively or they may be degenerative injuries that occur with aging. Many times the injury to the shoulder is the result of a combination of trauma, overuse, and degeneration of the tissues.
Use the image map above or the forum links to the right to take a deeper dive into common shoulder injuries.