Musculocutaneous Nerve

Musculocutaneous Nerve - belly of the digastric * submental...

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spinal cord Musculocutaneous Nerve * The musculocutaneous nerve is formed from the lateral cord and contains the C5,6,7 nerve roots. * The nerve enters the coracobrachialis muscle and passes through it to lie laterally between the biceps and brachialis muscles. * The nerve supplies all three muscles and terminates as a sensory nerve which emerges from the lateral side of the tendon of biceps to form the lateral cutaneous nerve of the forearm. Median Nerve Ulnar Nerve Brachial Plexus * origin is the anterior triangle of the neck * bordered by the anterior border of the SCM, midline of the neck, and the mandible * muscular triangle --formed by the midline, superior belly of the omohyoid, and SCM * carotid triangle --formed by the superior belly of the omohyoid, SCM, and posterior
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Unformatted text preview: belly of the digastric * submental triangle--formed by the anterior belly of the digastric, hyoid, and midline * submandibular triangle--formed by the mandible, posterior belly of the digastric, and anterior belly of the digastric Lumbar Plexus * formed from the ventral rami of nerves L1-L4 and some fibers from T12, forming * iliohypogastric nerves * ilioinguinal nerve * genitofemoral nerve * lateral femoral cutaneous nerve * femoral nerve * saphenous nerve * obturator nerve Cutaneous Innervation of Lumbar Plexus spinal cord Lateral Femoral Cutaneous Nerve Femoral Nerve (cont) Femoral Nerve Innervates muscles of the Anterior Thigh...
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Musculocutaneous Nerve - belly of the digastric * submental...

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