<prompt> Whip-lash injury is caused due toA fall from a heightAcute hyperextension of the spineA blow on top to headAcute hyperflexion of the spine  <response>: syn: acceleration injury, cervical sprain syndrome, soft tissue neck injury it is an unconventional inconsequential ligamentous injury of the cervical spine allegedly due to an extension injury following a rear-end collision in an RTA clinical features: symptoms - upper neck pain becomes worse with movement - an occipital headache - neck stiffness - rarely vertigo, auditory or visual disturbance: sign - decreased range of movements - neck muscles spasm investigation - x-ray usually normal. MRI helps to make a diagnosis treatment - conservative 