lumbrical muscles of foot


lum·bri·cal mus·cles of foot

(lŭm'bri-kăl mŭs'ĕlz fut) Four intrinsic muscles of the foot; origin, first: from tibial side of tendon to second toe of flexor digitorum longus; second, third, and fourth: from adjacent sides of all four tendons of this musculus; insertion, tibial side of extensor tendon on dorsum of each of the four lateral toes; action, flex the proximal and extend the middle and distal phalanges; nerve supply, lateral (second to fourth lumbricals) and medial (first lumbrical) plantar.
Synonym(s): musculus lumbricalis pedis [TA] .