Study concept and design: Bennell, Abbott, Sims, Pua, Wrigley, Forbes, Harris, Buchbinder.
Acquisition, analysis, or interpretation of data: Bennell, Egerton, Martin, Abbott, Metcalf, McManus, Pua, Wrigley, Forbes, Smith, Buchbinder.
Drafting of the manuscript: Bennell, Martin, Abbott, Metcalf, Sims, Pua, Wrigley, Forbes, Smith, Buchbinder.
Critical revision of the manuscript for important intellectual content: Bennell, Egerton, Abbott, McManus, Pua, Wrigley, Forbes, Harris, Buchbinder.
Statistical analysis: Metcalf, Forbes, Smith.
Obtained funding: Bennell, Pua, Wrigley, Harris, Buchbinder.
Administrative, technical, or material support: Egerton, Martin, Metcalf, McManus, Wrigley, Buchbinder.
Study supervision: Bennell, Egerton.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Bennell reported that she received royalties for an educational DVD on knee osteoarthritis and from a commercially available shoe from ASICS Oceania. Mr Wrigley reported that he receives royalties for a commercially available shoe from ASICS Oceania. No other financial disclosures were reported.
Funding/Support: This study was funded by project 628556 from the National Health and Medical Research Council. Dr Bennell is funded in part by an Australian Research Council Future Fellowship. Dr Buchbinder is funded in part by an Australian National Health and Medical Research Council Practitioner Fellowship.
Role of the Sponsors: The study sponsor had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions We thank the physical therapists who worked with the participants in this trial: David Bergin, BAppSci (Physio); Physiowest Physiotherapy Clinics, Deer Park, Victoria; Sallie Cowan, BAppSci (Physio), PhD, Clifton Hill Physiotherapy, Clifton Hill, University of Melbourne, Parkville, and St Vincent’s’ Hospital, Fitzroy, Victoria; Andrew Dalwood, BAppSc (Physio), Physioworks Health Group, Camberwell, and Waverley Park Physiotherapy Centre, Waverley, Victoria; Laurie McCormack, BAppSci (Physio), Work Function Victoria, Epping, Victoria; Ian McFarland, BAppSci (Phys Ed), BAppSci (Physio), Box Hill Physiotherapy, Box Hill, Victoria; Geoff Pryde, BPhysio, M Manual Ther; Recreate, Berwick, Victoria, Australia; Darren Ross, BPhysio, M Manip Physio, Physica Spinal and Physiotherapy Clinic, Ringwood, Victoria; Paul Visentini, BAppSci (Physio); Physiosports Brighton, Victoria, Australia. The project physical therapists that provided the active and sham treatments were paid on a consultancy basis for treatments provided.