<prompt> Whip lash injury occurs inPedestrian hit from frontPedestrian hit from behindOccupant of a carAny of the above  <response>: Whiplash injury In Road traffic accidents, involving acceleration deceleration trauma. commonly sustained by the front seat occupant of a car with no or poorly adjusted head rest Sudden hyperextension then hyperflexion of neck occurs Resulting in fatal contusion or laceration of spinal cord without fracture of spine. 