Supraspinatus injury leads to which of the following:
High-Yield Explanation
Ans. (c) Cannot abductRef. Apley's 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