... Vertebrae]page 84page 85Cervical vertebraePermit forward/lateral flexion, extension, rotationC1 (Atlas) : No body or spinous process; articulates with occipital condyles via paired lateral masses ... movements between vertebraeAtlanto-occipital jointsAre synovial joints between the lateral masses of atlas and occipital condylesPermit flexion/extension and some lateral bending and rotationAtlantoaxial...