I am six weeks out from my TKR. I am having shin pain on the front of my calf and top of my foot on the front. I don't know why. I also was riding my recumbent bike and it was going really well. Had PT yesterday and they gave me some new exercises and today went to ride my bike and it was really uncomfortable (not previously). I could go backwards with some discomfort however I could not go forward at all. Very frustrating as I'd really been enjoying getting on the bike. Any thoughts?