title: What the 4-metre gait speed measures and why it cannot replace functional capacity tests.
authors.affiliation: Institut du Vieillissement, Gérontopôle, Centre Hospitalier Universitaire de Toulouse, Toulouse INSERM UMR1027, Université de Toulouse III Paul Sabatier, Toulouse, France macesari@gmail.com.
authors.forename: Matteo
authors.initials: M
authors.lastname: Cesari
authors.affiliation: Area di Geriatria, Università Campus Bio-Medico, Roma, Italy.
authors.forename: Simone
authors.initials: S
authors.lastname: Scarlata
mesh_terms: D005260:Female; D005684:Gait; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000503:physiopathology* / Q000628:therapy*