MUSCULOCUTANEOUS NERVE

ORIGIN: Lateral cord of brachial plexus

COURSE/DISTRIBUTION: Begins at the lateral cord of brachial plexus and runs an inferolateral course to reach the coracobrachialis which it pierces in order to supply. It emerges from the coracobrachialis as the lateral cutaneous nerve of forearm. It supplies the muscles of the anterior compartment of the arm- brachialis, biceps brachii and coracobrachialis.

BRANCHES:

Muscular branches to the brachialis, biceps brachii and coracobrachialis.

Continues as lateral cutaneous nerve of forearm. 

ROOT VALUE: C5,6

 

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Electronic School of Medicine
Creator: Oluwole Ogunranti

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Layers 1- skin; 2- fasciae, 3- muscles 1, 4 -muscles II 5- deep, 6- deeper, 7- deepest, 8- innermost, 9- joints, 10- bones


 

 

 

 

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Creator: Oluwole Ogunranti