Cervical spine involvement is a significant ... study from the ESPOIR cohort found that the prevalence of anterior atlanto-axial subluxation (AAS) after 12 years was relatively low, at 4.6% ...

Atlantoaxial rotatory fixation (AARF) and subluxation are conditions that affect the cervical spine, specifically the joint between the first cervical vertebra (C1, or atlas) and the second ...