Skip to Content

extensor digitorum longus (muscle)


Definition: muscle of anterior (extensor/dorsiflexor) compartment of leg; origin, lateral condyle of tibia, upper two thirds of anterior margin of fibula; insertion, by four tendons to the dorsal surfaces of the bases of the proximal, middle, and distal phalanges of the second to fifth toes; action, extends the four lateral toes; nerve supply, deep fibular.

Synonym(s): musculus extensor digitorum longusTA, long extensor (muscle) of toes, musculus extensor longus digitorum

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.