Abductor digiti minimi (of foot)

The abductor digiti minimi (also abductor digiti minimi muscle, abductor digiti quinti, latin: musculus abductor digiti minimi) is a muscle of the sole of the foot belonging to the lateral muscle group or muscles of the little toe.


The muscle fibers of the abductor digiti minimi originates from the calcaneal tuberosity and the base of the fifth metatarsal bone, and from the plantar aponeurosis.


The abductor digiti minimi inserts at the base of the proximal phalanx of the fifth digit, also known as little toe.


The main function of the abductor digiti minimi is to abduct the little toe.


The abductor digiti minimi of the foot is innervated by the lateral plantar nerve, a terminal branch of the tibial nerve.