levatores costarum (muscles)

lev·a·to·res cos·ta·rum (mus·cles)

[TA] 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. See: levatores costarum longi (muscles), levatores costarum breves (muscles). Synonym(s): elevator muscle of rib, musculus levator costae