Osteoarthritis in my knee, what to do.. :/
I'm 18 and I've recently found out I have patellofemoral syndrome, which is osteoarthritis... I've been told to stop running and to do stationary bike instead. I use a knee brace and I do all the daily stretching I'm supposed to but my knee still hurts after about 20 minutes of the stationary bike. My doctor said the only…