The branch of medicine which seeks to enhance and restore functional ability to the people suffering from physical impairments is known as physical medicine and rehabilitation. This field deals specifically with restoring optimal function to people with injuries to the nervous system, muscles, bones or ligaments. The major concern of this field is to enable the person to function optimally within the limitations placed upon them. These limitations can be caused by a disabling impairment or a disease process for which there is no known cure. There are various subspecialties within this discipline such as neuromuscular medicine, pain medicine, pediatric rehabilitation medicine and sports medicine. The topics covered in this extensive book deal with the core aspects of physical medicine and rehabilitation. It is an upcoming field of medicine that has undergone rapid development over the past few decades. This book includes contributions of experts which will provide innovative insights into this field.