Rectus Capitis Posterior Minor
Original Editor Oyemi Sillo
Lead Editors - Oyemi Sillo, Evan Thomas, WikiSysop, Kim Jackson and Tarina van der Stockt
Description
Musculus rectus capitis posterior minor is a member of the suboccipital group of muscles along with rectus capitis posterior major, obliquus capitis superior, and obliquus capitis inferior.[1]
Origin
Tubercle on the posterior arch of the atlas (C1)[2]
Insertion
Medial portion of the inferior nuchal line of the occipital bone[2]
Nerve Supply
Suboccipital nerve or dorsal ramus of cervical spinal nerve (C1)[3]
Blood Supply
The muscle receives its blood supply from the vertebral artery and the deep descending branch of the occipital artery.[3]
Action
Extension of the head[2]
Function
A postural muscle that monitors the position of the head.[3]
References
- ↑ Gray's Anatomy of Human Body, Bartleby.com edition. New York: 2000. http://www.bartleby.com/107/116.html
- ↑ 2.0 2.1 2.2 http://www.wheelessonline.com/ortho/rectus_capitis_posterior_minor_1
- ↑ 3.0 3.1 3.2 http://www.anatomyexpert.com/structure_detail/5211/