FLEXOR HALLUCIS BREVIS

ORIGIN
Cuboid, lateral cuneiform and tibialis posterior insertion over the two remaining cuneiforms
INSERTION
Medial tendon to medial side of base of proximal phalanx of big toe. Lateral tendon to lateral side of same, both via sesamoids
ACTION
Flexes metatarsophalangeal joint of big toe. Supports medial longitudinal arch
NERVE
Medial plantar nerve (S2, 3)