About the author

By Val Robertson, PhD, Professor, University of Newcastle, Australia; Alex Ward, PhD, Senior Lecturer, Department of Human Physiology and Anatomy; La Trobe University, Australia; John Low, BA(Hons), FCSP, DipTP, Formerly Acting Principal, School of Physiotherapy, Guy's Hospital, London, UK and Ann Reed, BA, MCSP, DipTP, Formerly Senior lecturer, Department of Health Sciences, University of East London, UK