FLEXOR HALLUCIS BREVIS
Origin
Cuboid, lat cuneiform and tibialis posterior insertion over the two remaining cuneiforms
Action
Flexes MTP jnt of big toe. Supports med longitudinal arch
Insertion
Med tendon to med side of base of prox phalanx of big toe. Lat tendon to lat side of same, both via sesamoids
Nerve
Med plantar N (S2, 3)