Instability of the lumbar spine.
D000328:Adult; D001416:Back Pain / Q000000981:diagnostic imaging / Q000503:physiopathology*; D001696:Biomechanical Phenomena; D005260:Female; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000503:physiopathology; D007596:Joints / Q000503:physiopathology; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D008954:Models, Biological; D012306:Risk; D013124:Spinal Injuries / Q000000981:diagnostic imaging / Q000503:physiopathology; D014057:Tomography, X-Ray Computed