Obliquus Capitis Superior: Difference between revisions

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<div class="editorbox">'''Original Editor ''' - [[User:Oyemi Sillo|Oyemi Sillo]]
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== Description  ==


'''Lead Editors'''  &nbsp;  
The obliquus capitis superior is a member of the suboccipital group of muscles along with [[Obliquus Capitis Inferior|obliquus capitis inferior]], [[Rectus Capitis Posterior Major|rectus capitis posterior major]] and [[Rectus Capitis Posterior Minor|rectus capitis posterior minor]]. It is narrow below, wide and expanded above, and is lateral to the [[Semispinalis Capitis|semispinalis capitis]]. It forms the superolateral border of the suboccipital triangle.<ref name="gray">Henry Gray: Anatomy of the Human Body [monograph online]. Philadelphia: Lea &amp; Febiger; 1918 [cited 2015 Mar 30]. Available from: Bartleby; New York: 2000. fckLRhttp://www.bartleby.com/107/116.html</ref> <br>  
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== Clinically Relevant Anatomy<br> ==


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== Mechanism of Injury / Pathological Process<br> ==
[[Image:Obliquus capitis superior.png]]<br>  


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== Clinical Presentation ==
== Anatomy ==


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The obliquus capitis superior is located laterally in the suboccipital compartment.


== Diagnostic Procedures ==
=== Origin ===


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Superior surface of the transverse process of the [[Atlas|atlas]] (c1)<ref name="wh">Wheeless III, CR. Obliquus capitis superior [Internet] 2011 [cited 2015 Mar 30]. Available from: http://www.wheelessonline.com/ortho/obliquus_capitis_superior_1</ref>  


== Outcome Measures ==
=== Insertion ===


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Between the superior and inferior nuchal lines of the occipital bone<ref name="wh" />


== Management / Interventions<br> ==
=== Nerve Supply ===


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Suboccipital nerve or dorsal ramus of cervical spinal nerve (c1)<ref name="ae">Obliquus capitis superior [Internet]. 2015 [cited 2015 Mar 30]. Available from: http://www.anatomyexpert.com/structure_detail/5212/</ref><br>  


== Differential Diagnosis<br> ==
=== Blood Supply ===


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The muscle receives its blood supply from the [[Vertebral Artery|vertebral artery]] and the deep descending branch of the occipital artery.<ref name="ae" />


== Key Evidence ==
== Function ==


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Is a postural muscle that monitors the position of the head.&nbsp;<ref name="ae" /><br>  


== Resources <br> ==
=== Actions ===


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Bilaterally, they extend the head; unilaterally, they laterally flex the the head to the same side as the muscle.<ref name="wh" />


== Case Studies ==
=== Functional contributions ===


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The actions of trapezius, sternocleidomastoid and other larger muscles that move the head are refined by the relatively small suboccipital triangle muscles.


== Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed])  ==
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== References  ==
== References  ==


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[[Category:Anatomy]]
[[Category:Cervical Spine]]
[[Category:Muscles]]
[[Category:Musculoskeletal/Orthopaedics]]


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[[Category:Cervical Spine - Muscles]]

Latest revision as of 13:40, 23 August 2019

Original Editor - Oyemi Sillo

Top Contributors - Oyemi Sillo, Richard Benes, Kim Jackson, Daniele Barilla, 127.0.0.1, Evan Thomas and WikiSysop

Description[edit | edit source]

The obliquus capitis superior is a member of the suboccipital group of muscles along with obliquus capitis inferior, rectus capitis posterior major and rectus capitis posterior minor. It is narrow below, wide and expanded above, and is lateral to the semispinalis capitis. It forms the superolateral border of the suboccipital triangle.[1]


Obliquus capitis superior.png


Anatomy[edit | edit source]

The obliquus capitis superior is located laterally in the suboccipital compartment.

Origin[edit | edit source]

Superior surface of the transverse process of the atlas (c1)[2]

Insertion[edit | edit source]

Between the superior and inferior nuchal lines of the occipital bone[2]

Nerve Supply[edit | edit source]

Suboccipital nerve or dorsal ramus of cervical spinal nerve (c1)[3]

Blood Supply[edit | edit source]

The muscle receives its blood supply from the vertebral artery and the deep descending branch of the occipital artery.[3]

Function[edit | edit source]

Is a postural muscle that monitors the position of the head. [3]

Actions[edit | edit source]

Bilaterally, they extend the head; unilaterally, they laterally flex the the head to the same side as the muscle.[2]

Functional contributions[edit | edit source]

The actions of trapezius, sternocleidomastoid and other larger muscles that move the head are refined by the relatively small suboccipital triangle muscles.

References[edit | edit source]

  1. ↑ Henry Gray: Anatomy of the Human Body [monograph online]. Philadelphia: Lea & Febiger; 1918 [cited 2015 Mar 30]. Available from: Bartleby; New York: 2000. fckLRhttp://www.bartleby.com/107/116.html
  2. ↑ 2.0 2.1 2.2 Wheeless III, CR. Obliquus capitis superior [Internet] 2011 [cited 2015 Mar 30]. Available from: http://www.wheelessonline.com/ortho/obliquus_capitis_superior_1
  3. ↑ 3.0 3.1 3.2 Obliquus capitis superior [Internet]. 2015 [cited 2015 Mar 30]. Available from: http://www.anatomyexpert.com/structure_detail/5212/


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