title: A description of two new instruments for measuring the ranges of sagittal and horizontal plane motions in the lumbar region.
abstract: Two new instruments, a lumbar spondylometer and a rotameter, for the measurement of sagittal and horizontal plane motion in the lumbar spine respectively, are described. They enable the clinician to more accurately measure and chart the progress of patients with low back problems.
authors.affiliation: Western Australian Institute of Technology.
authors.forename: L
authors.initials: L
authors.lastname: Twomey
authors.affiliation: University of Western Australia.
authors.forename: J
authors.initials: J
authors.lastname: Taylor