When the artery crosses the extensor retinaculum, it changes its name to dorsalis pedis artery. The nerve contains axons from the L4, L5, and S1 spinal nerves.īlood for the compartment is supplied by the anterior tibial artery, which runs between the tibialis anterior and extensor digitorum longus muscles. The anterior compartment of the leg is supplied by the deep fibular nerve (deep peroneal nerve), a branch of the common fibular nerve. The compartment contains muscles that are dorsiflexors and participate in inversion and eversion of the foot. Inferior third of anterior surface of fibula and interosseous membraneĭorsiflexes ankle and aids in eversion of foot Middle and distal phalanges of lateral four digitsĮxtends lateral four digits and dorsiflexes ankle The diagram below shows the muscles in each compartment. Lateral condyle of tibia and superior three quarters of medial surface of fibula and interosseous membrane The leg muscles are divided into 3 compartments by the intermuscular septa and interosseous membrane- Anterior, Lateral and Posterior. Middle part of anterior surface of fibula and interosseous membraneĭorsal aspect of base of distal phalanx of great toe (hallux) Medial and inferior surfaces of medial cuneiform and base of 1st metatarsal The anterior compartment neurovascular bundle consists of the deep peroneal nerve and the anterior. The anterior compartment muscles include the tibialis anterior, the extensor hallucis longus, the extensor digitorum longus and the peroneus tertius. Lateral condyle and superior half of lateral surface of tibia and interosseous membrane The anterior compartment of the leg is the most common site for acute compartment syndrome.
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