WHAT IS THE ROTATOR CUFF?
The rotator cuff is a group of four muscles (subscapularis, supraspinatus, infraspinatus, and teres minor) that come together as tendons to form a covering around the head of the humerus (shoulder ball). The rotator cuff attaches the humerus to the shoulder blade and helps to lift and rotate your arm. Net, the rotator cuff muscles are responsible for shoulder rotation and form a cuff around the head of the humerus (shoulder ball).
A rotator cuff tear is a common cause of pain and disability among adults. A fall or traumatic injury may cause a rotator cuff tear and deterioration of the tendons over time. A torn rotator cuff will weaken your shoulder. This results in pain for many everyday activities, such as brushing your hair or getting dressed.
ROTATOR CUFF INJURIES
A sudden fall, accident, or heavy lifting may cause a tear to the rotator cuff. There may be a snapping sensation and immediate weakness in the upper arm, indicating a tear has occurred. However, degeneration of the tendon is more common, which happens as we age. This slow wear and tear of the rotator cuff can cause pain in everyday movement.