Dr Antony Liddell is an orthopaedic surgeon at Perth Orthopaedic & Sports Medicine Centre, West Perth. His interest in sports medicine began with a degree in Exercise Physiology and Biomechanics at the University of Canberra, during which he held a Track and Field scholarship in the USA, competing in the Southland Conference. He studied medicine at the University of Queensland, receiving dual University Blues for national representation in cross country.

In 2012 he was awarded Fellowship of the Royal Australasian College of Surgeons and the Australian Orthopaedic Association. He then completed a fellowship in Orthopaedic Sports Medicine and Arthroscopy at McGill University, Montreal, working with athletes from the National Hockey League, Canadian Football League and Major League Soccer, and publishing research on ACL reconstruction.

He joined Perth Orthopaedic & Sports Medicine Centre in 2014 and is a consultant at Sir Charles Gairdner Hospital. His subspecialty interests are knee ligament reconstruction, joint preservation surgery including osteotomy, and kinematically aligned knee replacement. Outside medicine, he competes in road cycling locally and overseas.