Vol 210, Issue 3: 18 February 2019. Associate Professor Justine Naylor is Senior Principal Research Fellow at the University of NSW, and the Ingham Institute. Dr Sam Adie is an orthopaedic surgeon at the St George and Sutherland Hospital in Sydney. They discuss who should have a total knee replacement and how patients can be optimised for surgery. With MJA news and online editor, Cate Swannell. 29mins, 50secs.