Rehabilitation medicine can cure simple injuries such as low back as well as severe diseases like traumatic brain injury. This book provides substantial information on rehabilitation medicine. Rehabilitation medicine is a medical department which focuses on functional improvement and quality of life. Experts working in rehabilitation drugs focus on both medical and practical problems. There have been important modifications in rehabilitation medicine with the progress of fundamental science and computer knowledge in the last several years. Association with other areas of science and technology has contributed to advancements in rehabilitation results. This book is a compilation of several researches accomplished by experts over the years.