This app, by the American Academy of Orthopaedic Surgeons, presents the techniques for physical examination of the spine. The app presents video demonstrations for Standing Examination(11), Seated(9), Supine(8), Prone(2), Waddel Signs(3), Cervical Spine: Muscle Testing(8), Cervical Spine: ROM(4). The Program is ideal for medical students and residents. Each technique demonstration is preceded by a peer reviewed explanation of the procedure including possible diagnoses, procedural steps, positive test characteristics including statistical values for some tests, and other information, including references.