Your shoulder is a marvelous piece of design. It allows your arm to move up and down, it allows your arm to twist, and it provides the strength needed to stabilize whatever you have in your hand. A lot of the mobility that you have in your shoulder is thanks to your rotator cuff. Your […]

Your shoulder is a ball and socket joint that allows your arm to move freely in many directions. The joint is held in place by your rotator cuff, a group of four muscles and their tendons. Covering the upper end of the humerus, which is the top bone in your arm, these muscles help to […]