The posterior atlantoaxial ligament is a broad, thin membrane attached, above, to the lower border of the posterior arch of the atlas; below, to the upper edges of the laminæ of the axis. It supplies the place of the ligamenta flava, and is in relation, behind, with the Obliqui capitis inferiores. See also Atlanto-axial joint References External links Description at spineuniverse.com Ligaments of the head and neck Bones of the vertebral column