Written by a leading expert in the field, this comprehensive reference text enables users to properly screen for medical disease to make an informed differential diagnosis. The goal of this text is to teach the physical therapist how to determine if the patient has a true neuromuscular or musculoskeletal problem, and to determine the specific disfunction or impairment. This new edition includes a chapter that focuses specifically on pain. It also contains a new chapter on physical assessment as a screening tool and the introductory chapter has been revised to explain the more modern approach of screening.