title: Abnormal motion in spondylolytic spondylolisthesis.
authors.forename: J Haxby
authors.initials: JH
authors.lastname: Abbott
mesh_terms: D006801:Humans; D007593:Joint Instability / Q000503:physiopathology*; D008159:Lumbar Vertebrae / Q000503:physiopathology; D009068:Movement; D016059:Range of Motion, Articular; D012447:Sacrum / Q000503:physiopathology; D013131:Spine / Q000503:physiopathology*; D013168:Spondylolisthesis / Q000503:physiopathology*; D014102:Torsion Abnormality