[11] According to Dr. Hirsch, the expert
physiatrist called on behalf of Mr. Mavi, the question of whether someone in Mr. Mavi's position suffered an injury from a low - velocity impact depends on the change in velocity.
Also
called physiatrists, they deal with the treatment, prevention, and diagnosis of disease by essentially physical means, including manipulation, massage, and exercise, often with mechanical devices, and the application of heat, cold, electricity.