dorsal interossei (interosseous muscles) of foot

dor·sal in·ter·os·se·i (interosseous mus·cles) of foot

[TA]

four intrinsic muscles of the fourth layer of plantar muscles; origin, from sides of adjacent metatarsal bones; insertion, first into medial, second into lateral side of proximal phalanx of second toe, third and fourth into lateral side of proximal phalanx of third and fourth toes; action, abduct toes 2-4 from an axis through the second toe; nerve supply, lateral plantar.

Synonym(s): musculi interossei dorsalis pedis [TA]

dor·sal in·ter·os·se·i (in·ter·os·se·ous mus·cles) of foot

(dōr'săl in'tĕr'os'ē-ī in'tĕr-os'sē-ŭs mŭs'ĕlz fut) [TA]

Four intrinsic muscles of fourth layer of plantar muscles; origin, from sides of adjacent metatarsal bones; insertion, first into medial, second into lateral side of proximal phalanx of second toe, third and fourth into lateral side of proximal phalanx of third and fourth toes; action, abduct toes 2-4 from an axis through the second toe; nerve supply, lateral plantar.
Synonym(s): musculi interossei dorsales pedis.