Snapshot A 26-year-old male was riding his bike home when he flipped over his handlebars and landed awkwardly on his neck. He immediately noted the inability to flex his elbow and supinate his forearm. Overview Innervation Motor login to view 3 more bullets Sensory login to view 2 more bullets Origin C5-7 login to view 7 more bullets Course Pierces coracobrachialis login to view 2 more bullets Splits biceps and brachialis login to view 2 more bullets Pierces deep fascia lateral to biceps brachii login to view 1 more bullet Becomes lateral antebrachial cutaneous nerve (terminal branch) login to view 1 more bullet Injury & Clinical Conditions Musculocutaneous nerve injury login to view 3 more bullets Treatment Closed injury login to view 1 more bullet Surgical management login to view 5 more bullets