NCIt definition : A short muscle in the lateral compartment of the lower leg that originates on the
distal two-thirds of the lateral surface of the fibula and the anterior intermuscular
septum, attaches to the tuberosity of the fifth metatarsal bone, and functions to
plantar flex and evert the foot.;
Alternative definition : CDISC: A muscle of the lower leg, in general extending from the distal two-thirds
of the lateral surface of the fibula and the anterior intermuscular septum to the
tuberosity of the fifth metatarsal bone; primary function is to plantar flex and evert
the foot.;