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splenius cervicis (muscle)


Definition: flat superficial muscle of the posterior neck, distinguished from the splenius capitis primarily by its insertion onto the cervical vertebrae; origin, from supraspinous ligament and spinous processes of third to fifth thoracic vertebrae; insertion, posterior tubercles of transverse processes of first, second, and sometimes third cervical vertebrae; action, rotates and extends neck; nerve supply, dorsal primary rami of fourth to eighth cervical spinal nerves.

Synonym(s): musculus splenius cervicisTA, musculus splenius colli, splenius muscle of neck

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.