Obliquus capitis superior muscle
From Wikipedia, the free encyclopedia
The obliquus capitis superior muscle (/əˈblaɪkwəs ˈkæpɪtɪs/) is a small[citation needed] muscle in the upper back part of the neck. It is one of the suboccipital muscles. It attaches inferiorly at the transverse process of the atlas (first cervical vertebra); it attaches superiorly at the external surface of the occipital bone. The muscle is innervated by the suboccipital nerve (the posterior ramus of the first cervical spinal nerve).
Quick Facts Details, Origin ...
Obliquus capitis superior muscle | |
---|---|
Details | |
Origin | Lateral mass of atlas |
Insertion | Lateral half of the inferior nuchal line |
Nerve | Suboccipital nerve |
Actions | Extends head and flex head to the ipsilateral side |
Identifiers | |
Latin | musculus obliquus capitis superior |
TA98 | A04.2.02.006 |
TA2 | 2251 |
FMA | 32527 |
Anatomical terms of muscle |
Close
It acts at the atlanto-occipital joint[citation needed] to extend the head and bend the head to the same side.