<prompt> Supraspinatus injury leads to which of the following:Frozen shoulderWinging of scapulaCannot abductCannot adduct  <response>: Ans. c Cannot abductRef. Apleys System of Orthopaedics Fractures, 8th ed. 281-82In case of supraspinatus injury, abduction is restricted.Function of Rotator Cuff Muscle Supraspinatus: Assists deltoid in abduction of arm by fixing head of humerus against the glenoid cavity. Infraspinatus Teres minor: Laterally externally rotates arm stabilizes the shoulder joint. Subscapularis: Internal rotation 