"The loose back".
D001416:Back Pain / Q000209:etiology* / Q000628:therapy; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000150:complications*; D008349:Manipulation, Orthopedic; D008382:Marfan Syndrome / Q000175:diagnosis; D005082:Physical Exertion; D013550:Swimming