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What is Supraspinatus injury leads to which of the following: and explain in detail?
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