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A,b,c, deltoid muscle; d, coracobrachialis muscle; r,r, triceps;e,i, extensors of the hand; km, flexor of fingers and radial and ulnar sides of the wtist, and l, palm of the hand, or palmaris longus; p, palmaris brevis; q, palmar fascia; o, biceps.

Arm Muscle

A,b,c, deltoid muscle; d, coracobrachialis muscle; r,r, triceps;e,i, extensors of the hand; km, flexor…