Alar ligaments: Difference between revisions

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[[Category:Cervical_Anatomy]] [[Category:Ligaments]]
[[Category:Cervical_Anatomy]] [[Category:Ligaments]] [[Category:Cervical Spine Ligaments]] [[Category:Ligaments of the Cervical Spine]]

Revision as of 23:19, 2 January 2019

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 side.

Play a role in stabilizing C1 and C2, especially in rotation[1].

Pathology[edit | edit source]

Injured in rear end motor vehicle collisions when the cervical spine is in extremes of rotation.

Examination
[edit | edit source]

Alar ligament test

References[edit | edit source]

  1. Magee DJ (2007). Orthopedic Physical Assessment (5th ed). St Louis, MO: Saunders Elsevier.