Flexor digiti minimi brevis (foot)
The flexor digiti minimi brevis (foot) is a muscle that is located on the outside of the foot bones of the human body. In particular, it begins at the fifth metatarsal and sheath of the peroneus longus and runs about a third of the length of the foot. The flexor digiti minimi brevis of the foot is one of the muscles that makes up the third layer of the sole of the foot. The nerve for this muscle is the superior branch of the lateral plantar nerve. The flexor digiti minimi brevis muscle of the foot is used to flex the metatarsophalangeal joint of the small toe. Because of this action, it makes up a portion of the muscles that are involved with walking and balance. The flexor digiti minimi brevis (foot), not to be confused with the muscle of the same name in the human hand, may sometimes be called by other names, including the flexor brevis minimi digiti, and the flexor digiti quinti brevis.
Written and medically reviewed by the Healthline Editorial Team
In Depth: Flexor digiti minimi brevis (foot)