Hi @damewocane - I agree with @contentandwell - I physically winced when I read your post about twisting your knee. I am feeling for you. Does anything help - icing it? getting on the bike? massage? I don't know if you've seen this thread but you may want to check out some alternative therapies:
https://connect.mayoclinic.org/discussion/cold-laser-therapy-for-scar-tissue-after-knee-replacement/?orderby=DESC#chv4-comment-stream-header
Wishing you the best. Please keep us posted.