title: A 29-year-old man with difficulty climbing the stairs.
authors.affiliation: Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK.
authors.forename: Stefen
authors.initials: S
authors.lastname: Brady
authors.forename: Rita
authors.initials: R
authors.lastname: Barresi
authors.forename: Richard
authors.initials: R
authors.lastname: Charlton
authors.forename: Christopher
authors.initials: C
authors.lastname: Turner
authors.forename: Janice L
authors.initials: JL
authors.lastname: Holton
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D009043:Motor Activity; D020388:Muscular Dystrophy, Duchenne / Q000175:diagnosis*