Abductor digiti minimi muscle of foot
Its homolog in the arm is the abductor digiti minimi muscle in the hand.[2] Its tendon, after gliding over a smooth facet on the under surface of the base of the fifth metatarsal bone, is inserted, with the flexor digiti quinti brevis, into the fibular side of the base of the first phalanx of the fifth toe.[2][3] Due to its role in posture during all physical activity while in an upright position, the abductor digiti minimi is often the target of injury.[citation needed] In case of polydactyly it may insert to the sixth toe instead, if there is one.This article incorporates text in the public domain from page 492 of the 20th edition of Gray's Anatomy (1918).