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Triceps brachii
Origin: long head: infraglenoid tubercle of scapula lateral head: posterior humerus above spiral groove. Medial head: posterior humerus below spiral groove
Insertion: Olecranon process of ulna
Action: extension of elbow Long head: extension of humerus.
Nerve: radial nerve(C7,C8)
Sun, 18 Nov 2007 20:13:00

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