I am a 67 yr old male and had right TKR surgery on 10/18/18, with P/T 2x per week through mid January 2019 (with daily exercises at home which continue). My problem is that the knee remains stiff with limited ROM (90 degees) and unable to straighten my leg, (approx. 11-14 degrees from straight). Occasionally I have some discomfort, but it's mostly the result of the stiffness, so pain is not the primary issue...stiffness and limited ROM is the problem. The stiffness has been since surgery and the ROM seems to have plateaued at about 6 weeks post op. Since than it's like the movie Groundhog Day...every day the knee is the same stiffness (or a little more) as the day before no matter what I do. Because of this, I had MUA on 12/11/18, which really did not help at all, other than to have pain/soreness for a week or so afterwards, and followed this with 2 weeks of aggressive P/T. My surgeon said he was able to get full ROM of the knee under anesthesia. However, when I'm not under, there has been no change in ROM. About two weeks ago I saw the surgeon and he said it could be arthrofibrosis which may require additional surgery, but he wanted me to keep exercising and working the knee for a while and he didn't yet want to consider the additional surgery. I've kept up the exercises, in addition to using a stationary bike and treadmill at the gym several times per week. Nothing I do seems to lessen the stiffness. On the contrary, everything I do seems to result is stiffness, stiffness and more stiffness. Even icing the knee. I plan to keep on exercising the knee, but it sure does get angry at me after working it out. It feels like something is wrapped around my knee joint tightly so that I can only bend or straighten it so far. Reading the various posts here makes me realize there are many people with the same or similar problem. I've also read (and heard from some others) that they do something accidentally that makes the knee pop and get freed up. Any suggestions on attacking this problem? I really don't want more surgery on the same knee, but I also would like more, not necessarily 100% full, ROM. Also, surgery to remove scar tissue/fibroids can be arthroscopically or open the knee up. The latter really scares me, but I can't go on forever like this. In addition, my left knee is also bone on bone and needs to be replaced, but after this experience, I can't even think about that. I've read that because I had this experience with one knee does not necessarily mean that the other knee will have the same problems post op. Any helpful input would be appreciated.

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