Extensor Digitorum Longus

Wikis > Anatomy > Muscles > Leg Muscles > Extensor Digitorum Longus

Extensor digitorum longus:
Proximal attachment – upper 3/4 of anterior medial surface of fibula; lateral condyle of tibia; interosseous membrane; intermuscular septum
Distal attachment – extensor expansion of digits 2 to 5
Open chain function – ankle dorsiflexion, tarsal eversion, extension of toes 2 to 5
Closed chain function – extension stability of lessor digits
Nerve supply – deep peroneal (L4, L5, S1)
Arterial supply – anterior tibial artery

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