Gross Anatomy USMLE Step 1 Practice Question
A 55-year-old woman with long-standing pes planus presents with burning pain and numbness on the plantar foot surface worsening after prolonged standing. Vital signs: BP 128/82, HR 82, RR 16, temp 37°C, SpO2 98%. Physical examination reveals positive Tinel sign posterior to the medial malleolus. Nerve conduction studies show slowed conduction velocity in the distal tibial nerve. No sensory loss in the dorsum of foot is noted. Compression of which nerve is most likely responsible?
Answer choices
- APosterior tibial nerveCorrect answer
- BCommon fibular nerve
- CSuperficial fibular nerve
- DDeep fibular nerve
- ESural nerve
- FMedial plantar nerve
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