Surface Anatomy and Landmarks · USMLE Step 1

A clinician identifies the medial malleolus. Which structure lies immediately posterior to this landmark within the tarsal tunnel?

  1. Tibialis anterior tendon
  2. Flexor digitorum longus tendon
  3. Fibularis longus tendon
  4. Extensor hallucis longus tendon
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Correct answer: Flexor digitorum longus tendon

Flexor digitorum longus passes posterior to the medial malleolus as part of the tarsal tunnel contents. This region is important in tarsal tunnel syndrome.

Difficulty: Medium Question 18 of 20

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