title: [Antigravitational spondylometer--a device for the measurement of lumbo-sacral spinal instability].
authors.affiliation: Katedry i Kliniki Ortopedii AM we Wrocławiu.
authors.forename: P J
authors.initials: PJ
authors.lastname: Biliński
mesh_terms: D000328:Adult; D001696:Biomechanical Phenomena; D004867:Equipment Design; D006801:Humans; D018472:Hypogravity; D007593:Joint Instability / Q000000981:diagnostic imaging*; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging*; D008297:Male; D009983:Orthopedic Equipment; D011187:Posture; D011859:Radiography; D012447:Sacrum / Q000000981:diagnostic imaging*; D013122:Spinal Diseases / Q000175:diagnosis