Avid golfers can end up messing up their rotator cuffs causing shoulder pain. Rotator cuffs which are the four stabilizing muscles located in each of your shoulders. Rotator cuff impingement are when the muscles swell and pinch the space between the arm and shoulder bones. Another type of injury occurs when one of the tendons or muscles tear. Both common types of rotator cuff injuries cause pain and inhibit your game.