wade jack

A rotator cuff constitutes a group of four muscles and associated tendons that enclose the shoulder joint. These are stabilizers and movers of the shoulder, which means they are very important to the body. The rotator cuff muscles consist of four muscles that help in lifting your arm and rotating your shoulder. Being the most dynamic joint in the body, with all sorts of motions made possible by its fulcrum, the rotator cuff is the most easily injured region.

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