The rotator cuff is a collection of tendons and muscles that surrounds the shoulder joint and keeps the upper arm bone's head firmly in its small socket. A persistent shoulder soreness brought on by a rotator cuff injury frequently gets worse when you try to sleep on the affected side.
People who often move their arms upward while working or playing sports are more likely to get rotator cuff problems. Examples include carpenters, painters, and athletes who play tennis or baseball. Additionally, as people age, their chance of rotator cuff damage rises. Physical therapy exercises that increase the flexibility and strength of the muscles surrounding the shoulder joint help a lot of patients recover from rotator cuff injuries. severely damaged rotator cuffs that include total tears.