title: The ratio of upper lumbar to lower lumbar sagittal mobility related to age, sex, and low back trouble.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000502:physiology; D001416:Back Pain / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D009068:Movement; D012016:Reference Values; D012737:Sex Factors