I have had total hip and shoulder replacements both sides for both. I have been able to do anything I want such as jogging, weight lifting, taekwondo, etc. I am now getting to the point where my left knee is bone on bone arthritis and my right knee is close behind. My question is, are there any martial artists participating on this forum? I would like to hear about your experience with knee replacements and kicking. I’m 65 years old and use to intense workouts so I need to know how knees hold up, my shoulders and hips are great.