title: Invited commentary.
authors.affiliation: D. Deutscher, PT, PhD, Physical Therapy Service, Maccabi Healthcare Services, Tel Aviv, Israel.
authors.forename: Daniel
authors.initials: D
authors.lastname: Deutscher
authors.forename: Susan D
authors.initials: SD
authors.lastname: Horn
mesh_terms: D006801:Humans; D012046:Rehabilitation / Q000145:classification*