whiplash injury(n = noun.state) whiplash - an injury to the neck (the cervical vertebrae) resulting from rapid acceleration or deceleration (as in an automobile accident);
is a kind of harm, hurt, injury, trauma

   an injury to the neck caused by the sudden motion of the head backward and forward, as occurs to the occupants of a vehicle hit from behind by another vehicle. [PJC]

accidental injury, combat injury, injury, legal injury, penetrating injury, whiplash