The anterior tarsal tunnel is the fibro-osseous space under the inferior extensor retinaculum at the front of the ankle. The deep fibular nerve and dorsalis pedis artery pass through it with the long extensor tendons, lying on the talus and navicular.
| Location | Front of the ankle and dorsum of the midfoot. |
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Keeps the extensor tendons and the deep fibular neurovascular bundle close to the ankle during dorsiflexion.
Compression of the deep fibular nerve here causes anterior tarsal tunnel syndrome, with pain on the top of the foot and numbness in the first web space. Tight shoe laces, ski boots, high heels, dorsal bone spurs and ganglion cysts are common causes.
Entrapment of the deep fibular nerve under the inferior extensor retinaculum, causing dorsal foot pain and numbness between the first and second toes.
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