Check out Erie's Web site on my thread about carpal tunnel feet. This can cause pain as well as numbness (I have no pain, just numbness) and is common with RA - - and I guess by extension AS.

I always thought it was my left ankle that was the problem area, turned out to be all those little bones between the ankle and the heel were in the process of fusing, are now fused and need surgical intervention to point my foot back in the right direction. Always something

Cheryl

Dogs don't care if the house is messy

My guy If you can't be kind, at least have the decency to be vague. Author Unknown