NCIt definition : A muscle in the lower extremity that originates from the middle third of the medial
surface of the fibula and the adjacent interosseous membrane and attaches to the base
and dorsal center of the distal phalanx of the great toe; it functions to extend the
big toe and dorsiflex the ankle.;
Alternative definition : CDISC: A muscle of the lower leg, in general extending from the middle third of the
medial surface of the fibula and the adjacent interosseous membrane to the base and
dorsal center of the distal phalanx of the great toe; primary function is to extend
the big toe and dorsiflex the ankle.;