title: Invited commentary.
authors.affiliation: Department of Physiotherapy, Singapore General Hospital, Singapore. pua.yong.hao@sgh.com.sg
authors.forename: Yong Hao
authors.initials: YH
authors.lastname: Pua
authors.forename: Kim L
authors.initials: KL
authors.lastname: Bennell
mesh_terms: D019644:Arthroplasty, Replacement, Hip / Q000534:rehabilitation*; D019645:Arthroplasty, Replacement, Knee / Q000534:rehabilitation*; D004185:Disability Evaluation; D006801:Humans; D010147:Pain Measurement; D026741:Physical Therapy Modalities; D020127:Recovery of Function / Q000502:physiology*; D012650:Self Disclosure