I don't understand what's going on here?  I'm in the trial and it's not over yet?  My results are not expected until May?  I don't know when I had the 'sham' or the 'real procedure', but what I do know is after my cross over procedure, in front of witness, I ran up and down several flights of stairs.  There is no way I could even run on a flat surface the day before.  8 months later, I can't run up stairs anymore, but after not being able to ski, I am back on skis and enjoying life more with my kids.