ANAT 2647 Lumbosacral Plexus

ANAT 2647 Lumbosacral Plexus - Lumbosacral plexus Cutaneous...

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Unformatted text preview: Lumbosacral plexus Cutaneous innervation Table 5.1 Innervation of gluteal and posterior thigh Table 5.8 Lumbar Plexus Roots L1-L4 (T12) Branches Upper Lower Divisions Anterior/ventral Posterior/dorsal Terminal Branches/Nerves Terminal branches Subcostal Nerve Iliohypogastric Ilioinguinal Genitofemoral Lateral femoral cutaneous Femoral saphenous Obturator Subcostal T12 Cutaneous innervation over lateral hip Iliohypogastric L1 (T12) Anterior to quadratus lumborum Cutaneous innervation over superolateral buttock Ilioinguinal L1 Follows a path similar to the iliohypogastric Cutaneous innervation over medial femoral triangle Innervates muscles of the abdominal wall Genitofemoral L1, L2 Pierces the psoas major Mainly cutaneous Femoral branch Cutaneous innervation over lateral femoral triangle Genital branch Cutaneous innervation over scrotum or labia majora Innervates cremasteric muscle Lateral femoral cutaneous...
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This note was uploaded on 11/23/2011 for the course ANAT 2647 taught by Professor Ronaldg.mayne during the Winter '11 term at Life Chiropractic College West.

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ANAT 2647 Lumbosacral Plexus - Lumbosacral plexus Cutaneous...

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