<prompt> Right to left movement occurs at:Atlanto-axialAtlanto-occipitalC2 -C3C3 -C4  <response>: Ans. a. Atlanto-axialTo look right or left NO movements of head occurs at the Atlanto-axial Joint.YES movements occur at the Atlanto-occipital Joint and involve flexion and extension of head over vertebra.C2-C3 and C3-C4 joints allow mainly flexion and extension of the neck and small degree of rotation is also possible. 