<prompt> The movement at the following joint permits a person to look towards the right or left -Atlanto - occipital jointAtlanto - Axial jointC2-C3 jointC3-C4 joint  <response>: Atlanto - occipital between the skull and C1 joint permit nodding of the head as when indicating approval or yes and Atlanto-axial joint permits the head to be turned from side to side i.e. rotation as indicating disapproval, the no movement. 