Hi pbro51
I am 10 days post BTKR and can relate to several of your issues. First regarding the burning sensation, I only have this when I am pushing an exercise too far or move too far unexpectedly. The hospital PTs were much more aggressive and I was too timid, doped up or wanted to please that I did not tell them to stop when pain became too intense. My in-home PTs have done much more with massage, gentle movement and asking me if I think I can go a few more seconds or degrees before forcing me to do so. Now that I am regulating my pain meds I am much more in control and not dropping off to sleep randomly as before. Even though I had read many posts on BS, I still wasn't clear what was acceptable movement / pain levels or that really the first few weeks it is all about rest, elevation and icing. I was feeling great so Fri/Sat did all my exercises, pushed my limits and even sat up in a straight chair to fold some laundry. By last evening, my left knee was the most swollen it has been since even coming out of surgery. So needless to say today I am on the couch reclined and doing nothing but resting, icing and elevating.
Regarding being black and blue, I have had very little discoloration on my right leg, but on my left leg it seems to move around daily. Since purple is my favorite color, I even have purple highlights in my hair, it has not alarmed me, but rather surprised me how it moves around so quickly. Even my left foot/ankle have been purple at times. Most are now turning the lovely shades of yellow and green, but others, often dark purple, continue to pop up unexpectedly.