Orthopaedics Spinal Injuries ff54585c Whip-lash' injury is caused due to: A A fall from a height B Acute hyperextension of the spine C A blow on top to head D Acute hyperflexion of the spine High-Yield Explanation (b) Acute hyperextension of the spine- Whiplash injury is caused by sudden unexpected hyperextension of cervical spine followed immediately by flexion.