Tip - Exercises to Avoid With a Supraspinatus Tear | LIVESTRONG.COM

The supraspinatus is one of four muscles that make up a group referred to as the rotator cuff muscles. The primary purpose of these muscles is to prevent the head of the humerus, or upper arm bone, from driving into the shoulder joint as you lift your arm away from your body or overhead. A fall to the shoulder or other athletic injuries can cause a...