Hi DRB and welcome to NT!
Regardless of what helped you get out of the chair, the fact remains that you ARE out of it for the most part! What a GOOD feeling that must be!
Stop in to the Tysabri thread and post your story?
http://neurotalk.psychcentral.com/thread37891.html
There's lots of us there and I think your story may inspire and I am sure you have a LOT to contribute!