Interesting reading. I am sorry you are having problems. I am having similar problems, but my Neurologist and Rheumatologist are having problems figuring it all out.

I have one important difference. Let me see if I can say this correctly.

My system is working differently now. It appears my "malfunctioning" parts do not go through normal channels. That is, normally, my brain knows my foot is sore or in pain and I know not to put weight on it. Now, my conscious brain does not know my foot is in pain or "malfunctioning", therefore when I put weight on it, I fall. I have fell fifteen or twenty times so far.

I asked my Rheumatologist if that made sense and he did not give me a straight answer. I had my wife with me. Since the detox off morphine, my memory is .... not good. My wife says he did not really answer this statement. I was hoping he might say it was this nerve, or this disease and we can start fighting it. No such luck.

I was walking down some stairs and when I put weight on my left foot, it would not "accept the weight" and I fell. Sprained both ankles. One night I was walking down the hall in our house and both knees "quit working". I fell again.

My feet do not go numb, but ... I don't know. Really weird. I wish you luck in your search for some answers.