The most common injury from a car accident is whiplash. This injury is caused by the head falling forward on impact, then whipping back as the car come to a sudden stop.
Whiplash-associated disorder (WAD) is the term given for the collection of symptoms affecting the neck that are triggered by an accident with an acceleration–deceleration mechanism such as a motor vehicle accident. The incidence of whiplash injury varies greatly between different parts of the world with significant monetary burden on the individual as well as the wider community.
Neck pain and stiffness
Worsening of pain with neck movement
Loss of range of motion in the neck
Headaches, most often starting at the base of the skull
Tenderness or pain in the shoulder, upper back or arms
Ringing in ears (tinnitus)