
People may sometimes tear one of the tendons or muscles in the rotator cuff, although this is less common than overuse injuries. Impingement can occur when muscle strain and other overuse injuries cause swelling in the shoulder joint, decreasing the space between these bones. Rotator cuff overuse often leads to rotator cuff impingement, which is the pinching of one of the rotator cuff tendons, or other soft tissue, that runs through the space between the upper arm bone, or humerus, and the shoulder blade, or scapula.

People who are prone to rotator cuff injuries include athletes who play baseball or tennis and people with jobs, such as house painting or construction, that require repetitive overhead motions.

Most rotator cuff injuries are overuse injuries from repetitive overhead motions. Share on Pinterest Some sports, such as tennis or baseball, can cause rotator cuff injuries.
