Musculocutaneous Nerve, N462 Notes, Anatomy, Upper Limb, Neurovasculature

Musculocutaneous nerve (C5, C6, C7)

1. Pierces the coracobrachialis muscle, descends between the biceps brachii and brachialis muscles, and innervates these three muscles.
2. From the Lateral Cord of the Brachial Plexus
3. Articular Branch 
4. The Lateral Antebrachial Cutaneous Nerve has an Anterior and Posterior Branch