Alar ligaments: Difference between revisions

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[[Image:Tectorial membrane.png|thumb|right]]  
[[Image:Tectorial membrane.png|thumb|right]]  


Two strong rounded cords that attach the skull to C2 ([[Axis]]).
Two strong rounded cords that attach the skull to C2 ([[Axis]]).  


== Attachments  ==
== Attachments  ==
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Taut in flexion, limit rotation and side flexion to the opposite site.  
Taut in flexion, limit rotation and side flexion to the opposite site.  


Play a role in stabilising C1 and C2, expecially in rotation<ref>Magee, D. Orthopedic Physical Assessment. Elsevier</ref>.
Play a role in stabilising C1 and C2, expecially in rotation<ref>Magee, D. Orthopedic Physical Assessment. Elsevier</ref>.  


== Pathology  ==
== Pathology  ==
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Injured in rear end shunts when cervical spine is in extremes of rotation.  
Injured in rear end shunts when cervical spine is in extremes of rotation.  


== Examination ==
== Examination<br> ==


[[Alar ligament Test]]  
[http://www.physio-pedia.com/Alar_Ligament_Test Alar ligament test]


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

Revision as of 20:19, 1 February 2014

Description[edit | edit source]

Tectorial membrane.png

Two strong rounded cords that attach the skull to C2 (Axis).

Attachments[edit | edit source]

Arise from either side of the odontoid process and attach to the medial aspect of the occipital condyles.

Function[edit | edit source]

Taut in flexion, limit rotation and side flexion to the opposite site.

Play a role in stabilising C1 and C2, expecially in rotation[1].

Pathology[edit | edit source]

Injured in rear end shunts when cervical spine is in extremes of rotation.

Examination
[edit | edit source]

Alar ligament test

Recent Related Research (from Pubmed)[edit | edit source]

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References[edit | edit source]

  1. Magee, D. Orthopedic Physical Assessment. Elsevier