Ankle Block Five Nerves — FRCA Primary MCQ

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ModerateAnatomyAnkle Block Five NervesFRCA Primary

Regarding the ankle block five nerves are blocked. Which of the following is NOT one of these nerves?

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Correct answer: A — Lateral cutaneous nerve of thigh

The ankle block anaesthetises five nerves: tibial (behind medial malleolus) / deep peroneal (between extensor hallucis longus and tibialis anterior tendons) / superficial peroneal (subcutaneous anterolateral) / saphenous (anterior to medial malleolus) / sural (behind lateral malleolus). The lateral cutaneous nerve of thigh is a proximal thigh nerve not relevant to the ankle.

Reference: RCoA 2021 Primary FRCA Curriculum