Atlantoaxial rotatory fixation (AARF) and subluxation are conditions that affect ... These conditions can lead to significant neck pain and restricted movement, and they are often associated ...

posttraumatic neck-pain, gradually appearing signs of medullary compression and an asymptomatic group. Eight patients had atlanto-axial instability. Six had interlaminar fusion between atlas and axis.

Atlanto-axial subluxation (AAS): A condition where the ... A condition caused by compression of the spinal cord in the neck, leading to symptoms such as weakness, numbness, and coordination ...