Exercise for knee osteoarthritis is a non-negotiable and effective intervention, right? Well, maybe it’s not so clear. Evidence seems to be dropping every month challenging the privileged position that exercise occupies for managing knee osteoarthritis. Front and centre is the infamous DICSO trial, published in 2022, and this study will serve as the foundation for this debate. The debate features Marius Henriksen and Christian Barton and these two men engage in polite yet passionate intellectual battle with the aim of figuring out just what role exercise plays for managing people with knee osteoarthritis.