발 배측골간근(interossei -dorsal of foot)

DORSAL INTEROSSEI (FOOT)

Origin Bipennate from inner aspects of shafts of all MTs		Action Abduct 2nd , 3rd and 4th toes from axis of 2nd toe. Assist lumbricals in extending IP jnts whilst flexing MTP jnts
Insertion Bases of prox phalanges and dorsal extensor expansions of med side of 2nd toe and lat sides of 2nd , 3rd,and 4th toes		Nerve Lat plantar N (1-3: deep br; 4: superficial br) (S2, 3)