Book excerpt: Practicing physical medicine and rehabilitation physician Grant Cooper, MD, provides a concise step-by-step approach to confidently establishing a working clinical diagnosis and finding appropriate treatment options for the most common musculoskeletal ailments. Organized by body region and written with superb clarity, this guide details the important questions to ask in history taking, the physical examination maneuvers appropriate for each pathology, the possible explanations and additional tests needed to diagnose the condition, and the most up-to-date treatment options available. The author offers clear explanations why each step in the history and physical examination is performed and discusses the basic pathophysiological processes involved. The ailments covered include neck and shooting arm pain; shoulder pain; elbow pain; wrist and hand pain; low back, hip, and shooting leg pain; knee pain, ankle pain, and foot pain. Numerous photographs demonstrate the correct hands-on methods for physical examination of the patient.