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Anatomy · Lower limb
Sample itemCompression in the tarsal tunnel behind the medial malleolus would most directly affect which nerve?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Tibial nerve
The tibial nerve travels through the tarsal tunnel posterior to the medial malleolus alongside the posterior tibial vessels and flexor tendons.
Option by option
A. Obturator nerve
Obturator nerve enters the medial thigh through the obturator canal.
B. Femoral nerve
Femoral nerve lies in the femoral triangle in the upper thigh.
C. Tibial nerve (correct)
Correct: tibial nerve passes behind the medial malleolus in the tarsal tunnel.
D. Common fibular nerve
Common fibular nerve winds around the neck of the fibula laterally.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.