Obliquus capitis superior muscle
| Obliquus capitis superior muscle | |
|---|---|
| Deep muscles of the back. (Obliq. super. labeled at upper left.) | |
| Latin | musculus obliquus capitis superior |
| Gray's | subject #116 402 |
| Origin | lateral mass of atlas |
| Insertion | lateral half of the inferior nuchal line |
| Artery: | |
| Nerve: | suboccipital nerve |
| Action: | |
| Dorlands /Elsevier |
m_22/12549857 |
The Obliquus capitis superior muscle arises from the lateral mass of the atlas bone. It passes superiorly and posteriorly to insert into the lateral half of the inferior nuchal line. It is innervated by the suboccipital nerve, the dorsal ramus of the first spinal nerve.
It acts at the atlanto-occipital joint to extend the head and flex the head to the ipsilateral side.
Additional images
Occipital bone. Outer surface.
Base of skull. Inferior surface.
External links
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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