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Figure A is a dissection of the medial aspect of the left ankle and foot. Which of the following nerves indicated in Figure A is most commonly implicated in nerve entrapments in the running athlete?
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Which nerve innervates the abductor digiti quinti and can be compressed as it travels under the fascia of the abductor hallucis muscle leading to symptoms of plantar heel pain?
First branch of the lateral plantar nerve
A competitive marathoner reports 6 months of pain over the lateral distal leg and dysesthesia over the dorsum of the foot. There is a tender fullness over the distal lateral fibula with a positive Tinel's sign. There is normal motor strength, but pain with passive plantar flexion and inversion of the ankle. The most appropriate surgical treatment is:
Repair muscle herniation and closure of the fascial defect
Fascial release and superficial peroneal neurolysis
Fascial release of all four compartments
Superficial peroneal neurectomy
A 40-year-old runner complains of heel pain for 4 months. He reports tenderness over the abductor hallucis origin with a positive Tinel's sign radiating to the lateral foot. The pain worsens with prolonged activity. What is the most likely diagnosis?
heel fat pad fat atrophy
compression of the first branch of the lateral plantar nerve (Baxter's nerve)
tarsal tunnel syndrome