Obliquus capitis superior muscle
Obliquus capitis superior muscle | |
---|---|
ipsilateral side | |
Identifiers | |
Latin | musculus obliquus capitis superior |
TA98 | A04.2.02.006 |
TA2 | 2251 |
FMA | 32527 |
Anatomical terms of muscle] |
The obliquus capitis superior muscle (
It acts at the atlanto-occipital joint[citation needed] to extend the head and bend the head to the same side.
Anatomy
The obliquus capitis superior muscle is one of the suboccipital muscles. It forms the superolateral boundary of the suboccipital triangle. It extends superoposteriorly from its inferior attachment to its superior attachment, becoming wider superiorly.[1]
Attachments
The muscle's inferior attachment is at the superior surface of the
Its superior attachment is onto the lateral portion of
Innervation
The muscle receives motor innervation from the
Actions/movements
The muscle extends[1] and (ipsilaterally) laterally flexes the head.[1][2]
Additional images
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Position of obliquus capitis superior (shown in red). Animation.
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Still image. Posterior view.
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Deepmuscles of the back(obliquus capitis superior labeled at upper left)
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Occipital bone. Outer surface. Muscle attachments are shown as red circles.
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Base of skull. Inferior surface. Muscle attachments are shown as red circles.
References
- ^ OCLC 1201341621.)
{{cite book}}
: CS1 maint: location missing publisher (link - ^ ISBN 978-0-7295-3752-0.
External links
- Anatomy figure: 01:07-06 at Human Anatomy Online, SUNY Downstate Medical Center