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tibialis anterior (muscle)

 

Definition: medial muscle of anterior (dorsiflexor) compartment of leg; origin, upper two thirds of lateral surface of tibia, interosseous membrane, and overlying crural fascia; insertion, medial cuneiform and base of first metatarsal; action, dorsiflexion and inversion of foot; provides dynamic support of longitudinal and transverse arches of foot; nerve supply, deep peroneal.

Synonym(s): musculus tibialis anteriorTA, anterior tibial muscle, musculus tibialis anticus

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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