I had a tkr 6 weeks ago with a knee range of 35. Now I am at 45 degrees and Dr. want to do a knee manipulation. My knee has never bent for 35 yrs past 35 degrees due to broken femur. I also have a herniated disk that was being treated since Oct 13 when they gave me Hydrocodine and I walked my knee to the bone. I am scared to have the manipulation because I have lived with this 35 degree bend for 35 yrs. Will this be as bad as I think or will it help me. I am scared to death