The rotator cuff is a group of four muscles and their tendons that attach to the shoulder blade and help stabilize and move the shoulder joint. These muscles and tendons work together to allow for various arm movements such as lifting, reaching, and throwing. The rotator cuff is important in preventing injury and maintaining shoulder joint health, but it can become strained, torn, or otherwise injured due to overuse, trauma, or degeneration. Treatment for rotator cuff injuries may involve rest, physical therapy, medication, or surgery depending on the severity of the injury.
