LUMBRICALS
Origin
Lat 3: bipennate origin from cleft between the four tendons of flexor digitorum longus . Med 1: unipennate origin from med aspect of 1st tendon
Action
Extend toes at IP jnts and flex MTP jnts
Insertion
Dorsal extensor expansion
Nerve
First: med plantar N (L4,5). 2-4: deep br of lat plantar N (S2,3)
