Low back pain.
D000375:Aging; D001416:Back Pain / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology; D001842:Bone and Bones / Q000473:pathology; D006801:Humans; D009135:Muscular Diseases / Q000150:complications; D005082:Physical Exertion; D013122:Spinal Diseases / Q000150:complications