Rotator cuff tear. The tendons in your shoulder can become frayed, partially torn, or completely detached from the bone. It's often the result of wear and tear from daily use over time.

The rotator cuff is a group of four muscles that stabilize the shoulder. When you injure your rotator cuff, you need to exercise it for full recovery.

Rotator cuff injuries are extremely common, especially as we age. The right exercises can speed healing and recovery. By Jane E. Brody Few of us think about our joints until one starts to hurt ...