Sustaining a shoulder injury is common after a traumatic accident, such as a car crash.  The shoulder is primarily a ball and socket joint that consists of 3 main bones – the clavicle, the scapula, and the arm bone which is known as the humerus. These three bones are joined together by ligaments, muscles, tendons, and a joint capsule that allow the arm to function. The shoulder joint is said to have the greatest range of motion when compared to any other joint in the body.

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The rotator cuff is one of the most important components of the shoulder.  It is comprised of a group of muscles and tendons that hold the bones of the shoulder joint together.  The rotator cuff muscles provide individuals with the ability to lift their arm and reach overhead.