A 19-year-old man is brought to the emergency department after dislocating his shoulder while playing football. Following treatment of the dislocation, he cannot initiate abduction of his arm. An MRI of the shoulder shows a torn muscle. Which muscle was most likely damaged by the injury?

Question

Accepted Answer

Coracobrachialis

Answer

Long head of the triceps

Answer

Pectoralis minor

Answer

Supraspinatus

A 19-year-old man is brought to the emergency department after dislocating his shoulder while playing football. Following treatment of the dislocation, he cannot initiate abduction of his arm. An MRI of the shoulder shows a torn muscle. Which muscle was most likely damaged by the injury?

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