title: Back controversy.
authors.forename: S M
authors.initials: SM
authors.lastname: McGill
authors.forename: R W
authors.initials: RW
authors.lastname: Norman
mesh_terms: D001415:Back / Q000502:physiology*; D001696:Biomechanical Phenomena; D001915:Braces; D006801:Humans; D009132:Muscles / Q000502:physiology*; D005082:Physical Exertion; D011187:Posture