Six months out from bilateral tkr two weeks about knees are so tight they just hurt. No mache or sharp pain just very very tightness feeling extension great at 0 and Flexion remarkable at 135 both knees went to top surgeon and said one of easiest he's ever done going crazy raising two small grandkids at 58 and I can't sleep even due to discomfort. Pt says I still have loose ligaments after surgery I had very severe loose ligaments previous to tkr. Help kaneco6@hotmail .com