title: Invited response.
authors.affiliation: Spine Biomechanics Laboratory, University of Waterloo, Canada. mcgill@uwaterloo.ca
authors.forename: Stuart
authors.initials: S
authors.lastname: McGill
mesh_terms: D001696:Biomechanical Phenomena; D006801:Humans; D017116:Low Back Pain / Q000503:physiopathology / Q000534:rehabilitation; D026882:Manipulation, Chiropractic / Q000379:methods*; D026301:Manipulation, Osteopathic / Q000379:methods*; D008954:Models, Biological; D009141:Musculoskeletal System / Q000503:physiopathology; D011187:Posture / Q000502:physiology