| Obliquus capitis inferior muscle | |
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| Deep muscles of the back. (Obliq. infer. labeled at upper left.) | |
| Latin | musculus obliquus capitis inferior |
| Gray's | subject #116 402 |
| Origin | spinous process of the axis |
| Insertion | lateral mass of atlas |
| Artery | |
| Nerve | suboccipital nerve |
| Actions | |
The obliquus capitis inferior muscle is the larger of the two oblique muscles of the neck. It arises from the apex of the spinous process of the axis and passes laterally and slightly upward, to be inserted into the lower and back part of the transverse process of the atlas.
It is responsible for rotation of the head and first cervical vertebra (atlanto-axial joint).
It forms the superolateral boundary of the sub-occipital triangle of the neck.
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 As such, some of the information contained herein may be outdated.
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