The dorsal fascia of the foot is the thin deep fascia over the top of the foot. It is continuous with the inferior extensor retinaculum at the ankle and covers the long extensor tendons, with the short extensor muscles and the dorsalis pedis artery lying beneath it.
| Location | Over the dorsum of the foot, deep to the skin and subcutaneous veins. |
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Covers and holds the extensor tendons and dorsal structures of the foot.
This fascia forms the roof of the dorsal compartment of the foot, which can develop compartment syndrome after crush injuries and Lisfranc fractures. The superficial fibular nerve branches lie above it and are at risk with dorsal incisions.
Swelling under the dorsal fascia after crush or midfoot fractures, compressing extensor digitorum brevis and the dorsal neurovascular structures.
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