Rectus Capitis Anterior: Difference between revisions

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


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'''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}}  
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== Description<br>  ==
== Description<br>  ==
<div>&nbsp;The Rectus capitis anterior (Rectus capitis anticus minor, Musculus rectus capitis anterior in Latin and Muscle droit antérieur de la tête in &nbsp;French) <ref>http://www.anatomyexpert.com/structure_detail/5273/</ref>&nbsp;is a short, flat muscle, situated immediately behind the upper part of the Longus capitis.</div><div><br></div><div>&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;[[Image:RECTUS CAP ANT.png|center|300x300px|Anterior View of Rectus Capitis Anterior]]</div><div></div>
== Etymology  ==
<div>&nbsp;The English name for this muscle is the anterior straight muscle of the head. The word rectus is Latin for “straight." The word capitis comes from the Latin caput meaning “head.” The Latin term anterior is derived from the Latin ante meaning “before.”&nbsp;<ref>http://www.anatomyexpert.com/structure_detail/5273/</ref></div><div><br></div><div></div><div></div>
== Origin<br>  ==


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>  
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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| [[Image:RECTUS CAP ANT.png|center|300x300px|Anterior View of Rectus Capitis Anterior]]
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== Origin  ==
 
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>&nbsp;[[Image:RECTUS_CAP_ANT2.PNG|center|300x300px]]</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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