NCIt definition : A muscle in the foot that abducts and flexes the great toe at metatarsophalangeal
joint. It originates in the medial process of the posterior calcaneal tuberosity and
the flexor retinaculum and inserts into the medial side of the base of the proximal
phalanx of the great toe. It is innervated by the medial plantar nerve and is supplied
by the medial plantar artery.;
Alternative definition : CDISC: A muscle in the foot, in general extending from the medial process of the posterior
calcaneal tuberosity to the medial side of the base of the proximal phalanx of the
big toe; primary function is to abduct and flex the big toe at the metatarsophalangeal
joint.;