title: Recordings of the movement at the intervertebral segment L5-S1: a technique for the determination of the movement in the L5-S1 spinal segment by using three specified postural positions.
abstract: The pathomechanism of low-back pain generation is not understood very well. Functional disturbances of motion at the individual segmental level appear to play a role in many cases. In this study a technique of numeric analysis of radiographic observations of the lumbar spine is developed by which the authors are able to assess the displacement of the two components of the L5-S1 motion segment in the sagittal plane when the subject assumes three specified standard postural positions.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007403:Intervertebral Disc / Q000502:physiology*; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging / Q000502:physiology*; D008297:Male; D009068:Movement; D011187:Posture; D011859:Radiography; D012447:Sacrum / Q000502:physiology; D013168:Spondylolisthesis / Q000503:physiopathology*; D013169:Spondylolysis / Q000000981:diagnostic imaging / Q000503:physiopathology*; D013314:Stress, Mechanical