Flexor hallucis brevis muscle

Flexor hallucis brevis muscle is a muscle of the foot that flexes the big toe.

Origin:

Plantar aspect of the cuneiformis, Plantar calcaneocuboid ligament, long plantar ligament .

Insertion:

Medial Head: Medial sesamoid bone of the metatarsophalangeal joint, proximal phalanx of great toe. Lateral head: Lateral sesamoid bone of the metatarsophalangeal joint, proximal phalanx of great toe .

Nerve supply:

medial plantar nerve .

Actions :

flexes the proximal phalanx of the big toe .