Although I have not had a TKR, I am now on my 3rd hip replacement. This time a physio assistant suggested that I get rehab activator poles as they are recommended for those with knee and hip issues. I found, most bizarrely that if I had pain using crutches, walker, etc, the use of the poles as recommended by the manufacturer, ( there are videos etc) the pain subsided. I find them easier than a walker and over time with proper use build core muscles and arm muscles and aid in balance and help with gait. Hope this is beneficial.