Wow spinner you shared information that is a validation for my situation that so far no one else has communicated. That is the femur connection with a tkr. I had tkr Feb. of 23. The whole experience was difficult. Did alot of various things but my bend never got much beyond 90. Then in April of this year I took a step in my kitchen my knee buckled and found out my femur fractured. No one mentioned the tkr connection to my fracture but I always wondered. I have another second opinion appointment coming up to discuss what my next step is. The ongoing healing of my femur has given me more mobility but still difficult.