What Is a Rotator ... look easy. These muscles are attached to your arm bone with tendons that form a covering (cuff) over the ball of the humerus. Your rotator cuff helps you do things like ...

If a rotator cuff tear does cause warning ... surgery to repair a torn rotator cuff. If it goes untreated, a smaller rotator ...

Imaging scans, like an X-ray, can identify any bone spurs. These small bone growths can rub against the rotator cuff tendon and cause pain and inflammation. MRI or ultrasound scans can also be used.