Rotator Cuff

The rotator cuff (often mistakenly called rotator cup or rotary cuff) is a group of four tendons, and their muscles, that stabilize the shoulder joint and move the arm. Tendons are tough bands of connective tissue that attach the end of a muscle to a bone. A torn rotator cuff is a common sports injury. In most cases it is the tendons that are torn. Some shoulder pain is just from overuse or strain causing inflammation of the tendons (tendonitis).

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