levatores costarum (muscles)
Definition: 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.
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.