levator costarum muscles

(redirected from elevator muscle of rib)

le·va·tor cos·ta·rum mus·cles

(le-vā'tŏr kos-tā'rūm mŭs'ĕlz)
Muscle of thorax; origin, tips of transverse processes of C7 and T1-T11 vertebrae; insertion, ribs, between tubercle and angle; action, elevate ribs for deep inspiration; nerve, dorsal rami of C8-T11 spinal nerves.
Synonym(s): elevator muscle of rib, musculi levatores costarum.