Adductor Hallucis
Origin =
Oblique head - Bases of the 2nd., 3rd. and 4th metatarsals.
Transverse head - Metatarsarsophalangeal ligaments of the 3rd., 4th. and 5th toes.
Insertion = Base of the proximal phalanx of the great toe, fibular side.
Action = Adduction of the metatarsophalangeal joint.