Traumatology is the study of wounds and injuries caused by accidents or violence to a person, and the surgical therapy and repair of the damage. Traumatology is a branch of medicine. It is often considered a subset of surgery and in countries without the specialty of trauma surgery it is most often a sub-specialty to orthopedic surgery. Traumatology may also be known as accident surgery. Traumatology can also refer to the study, development and application of psychological and counseling services for people who have experienced extreme events.