greater posterior rectus muscle of head


A muscle with origin from the spinous process of the axis, with insertion into the occipital bone, with nerve supply from the first cervical nerve, and whose action rotates the head and draws it backward.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.