Rectus Capitis Anterior: Difference between revisions

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'''Original Editor '''- [[User:Venus Pagare|Venus Pagare]]  
'''Original Editor '''- [[User:Venus Pagare|Venus Pagare]]  


'''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}}  
'''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}}  
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== Description<br>  ==
== Description<br>  ==
<div>&nbsp;The Rectus capitis anterior&nbsp;is a short, flat muscle, situated immediately behind the upper part of the Longus capitis.</div><div><br></div>
 
The Rectus capitis anterior is a short, flat muscle, situated immediately behind the upper part of the [https://www.physio-pedia.com/Longus_Capitis Longus capitis]. It is also known as Obliquus Capitis Superior.  
 
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<div></div><div></div><div><br></div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</div><div></div>


== Origin<br> ==
== Origin  ==


Anterior surface of the lateral mass of the atlas (C1 vertebra)&nbsp;and the root of its transverse process&nbsp;<ref>http://www.wheelessonline.com/ortho/rectus_capitis_anterior</ref>  
Anterior surface of the lateral mass of the atlas (C1 vertebra)&nbsp;and the root of its transverse process<ref name="wheelessonline"/>  


== Insertion  ==
== Insertion  ==
<div>&nbsp;&nbsp;The inferior surface of the occipital bone anterior to the foreamen magnum&nbsp;<ref>http://www.wheelessonline.com/ortho/rectus_capitis_anterior</ref></div><div><br></div><div></div><div></div>
 
The inferior surface of the occipital bone anterior to the foreamen magnum<ref name="wheelessonline">http://www.wheelessonline.com/ortho/rectus_capitis_anterior</ref>  
 
== Nerve Supply  ==
== Nerve Supply  ==


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== Blood Supply  ==
== Blood Supply  ==
<div>&nbsp;The muscle receives blood from the ascending cervical artery, which is a small branch of the inferior thyroid artery from the thyrocervical trunk of &nbsp;the subclavian artery.&nbsp;<ref>http://www.anatomyexpert.com/structure_detail/5273/</ref></div>
 
The muscle receives blood from the ascending cervical artery, which is a small branch of the inferior thyroid artery from the thyrocervical trunk of the subclavian artery.<ref>http://www.anatomyexpert.com/structure_detail/5273/</ref>  
 
== Action  ==
== Action  ==


Aids in flexion of the head and the neck  
Aids in flexion of the head and the neck  
== Clinical Relevance  ==
<div>&nbsp;Rupture of this muscle (along with the longus capitis muscle) can be cause of hemorrhage from the guttural pouch, caused by trauma to the &nbsp;poll or the base of the skull. This injury can be seen on x-ray by a fracture of the basisphenoid bone, often presenting with clincial neurological &nbsp;signs&nbsp;<ref>http://www.vetmed.vt.edu/education/curriculum/vm8644/equineneck/Definitions/rectuscapitis.html</ref><br></div><div></div>
== References  ==
== References  ==


<references /><br>  
<references /><br>  


[[Category:Cervical_Anatomy]]
[[Category:Cervical Spine - Anatomy]]

Latest revision as of 14:37, 16 August 2019

Original Editor - Venus Pagare

Top Contributors - Venus Pagare, Evan Thomas, Admin, 127.0.0.1, Tarina van der Stockt, WikiSysop and Kim Jackson

Description
[edit | edit source]

The Rectus capitis anterior is a short, flat muscle, situated immediately behind the upper part of the Longus capitis. It is also known as Obliquus Capitis Superior.


Anterior View of Rectus Capitis Anterior
RECTUS CAP ANT2.PNG

Origin[edit | edit source]

Anterior surface of the lateral mass of the atlas (C1 vertebra) and the root of its transverse process[1]

Insertion[edit | edit source]

The inferior surface of the occipital bone anterior to the foreamen magnum[1]

Nerve Supply[edit | edit source]

C1, C2

Blood Supply[edit | edit source]

The muscle receives blood from the ascending cervical artery, which is a small branch of the inferior thyroid artery from the thyrocervical trunk of the subclavian artery.[2]

Action[edit | edit source]

Aids in flexion of the head and the neck

References[edit | edit source]

  1. ↑ 1.0 1.1 http://www.wheelessonline.com/ortho/rectus_capitis_anterior
  2. ↑ http://www.anatomyexpert.com/structure_detail/5273/


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