Six Months Out From Bilateral Tkr Two Weeks About Knees

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