NCIt definition : A muscle on the dorsal side of the foot that helps to extend the second, third and
fourth toes. It originates on the superolateral surface of the anterior calcaneus
and inserts into the lateral sides of the tendons of extensor digitorum longus on
the second, third and fourth toes. It is innervated by the deep peroneal nerve and
supplied by the dorsalis pedis artery.;
Alternative definition : CDISC: A muscle in the foot, in general extending from the superolateral surface of
the anterior calcaneus to the lateral sides of the tendons of extensor digitorum longus
on the second, third and fourth toes; primary function is to extend the second, third
and fourth toes.;