08 - The Obturator Nerve Flashcards Preview

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Flashcards in 08 - The Obturator Nerve Deck (2):
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What is the course of the obturator nerve?

From lumbosacral plexus (L2-L4)
Descends through psoas major fibres
emerges at medial border
Runs posteriorly to the common iliac arteries
Enters thigh through obturator canal (through the obturator foramen)
splits into anterior and posterior branches.

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What are the motor functions of the obturator nerve?

What are the sensory functions of the obturator nerve?

Innervates the medial compartment of the thigh
(Adductor magnus, adductor longus, adductor brevis, gracilis and obturator externus)

Cutaneous black to innervate the medial aspect of the thigh