Rotator Cuff Injury
The rotator cuff is a structure comprising muscles and tendons in the shoulder that enable human beings to move their arms. A fall, blow or other reasons can lead to injury to any of the four muscles, leading to rotator cuff injury. Wear and tear, poor posture, injury, arthritis, bursitis, etc., are the common causes, while sharp shoulder pain and weakness are the prominent symptoms of rotator cuff injury.