title: Measurement of lumbar spinal flexion-extension kinematics from lateral radiographs.
authors.affiliation: Department of Bio-Medical Physics and Bio-Engineering, University of Aberdeen, Foresterhill, Aberdeen AB25 2ZD, Scotland, UK.
authors.forename: S B
authors.initials: SB
authors.lastname: Harvey
authors.affiliation: Department of Bio-Medical Physics and Bio-Engineering, University of Aberdeen, Foresterhill, Aberdeen AB25 2ZD, Scotland, UK.
authors.forename: D W
authors.initials: DW
authors.lastname: Hukins