I just completed my 3rd week of PT and I have improved on my stability. However, my therapist commented that he is at a loss on what is going on to cause my numbness. He wishes that I could have my MRI, but I have found that my insurance wants me to have 6 wks. of therapy before they will approve one. I've done all kinds of online research and every article that I read on numbness also talks about pain, but I have hardly had any pain. I experience muscle tightness and when I stand stationary a real heavyness in my legs, almost as if they were going to sleep. I find that walking helps relieve my problem, so I walk as much as possible. Oh well, I'll keep on plugging away.