title: Measurement of lumbar sagittal mobility. A comparison of methods.
authors.forename: P J
authors.initials: PJ
authors.lastname: Salisbury
authors.forename: R W
authors.initials: RW
authors.lastname: Porter
mesh_terms: D006801:Humans; D008159:Lumbar Vertebrae / Q000502:physiology*; D008722:Methods; D009068:Movement; D014463:Ultrasonography