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Femoral Posterior Division Saphenous — FRCA Primary MCQ

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ModerateAnatomyFemoral Posterior Division SaphenousFRCA Primary

Regarding the anatomy of the lower limb the femoral nerve divides into anterior and posterior divisions in the femoral triangle. The posterior division gives rise to which nerve that is important in knee surgery?

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Correct answer: B — Saphenous nerve

The posterior division of the femoral nerve gives rise to the saphenous nerve (the longest cutaneous nerve in the body / L3-L4). It provides sensory innervation to the medial leg from knee to medial malleolus. It also gives motor branches to vastus medialis / vastus intermedius / vastus lateralis / and rectus femoris.

Reference: RCoA 2021 Primary FRCA Curriculum