That really sucks, Harry. Is there any possibility that she could get out of that chair with some PT? Even if it's just for awhile each day?
I'm in a scooter most of the time but can still stand and walk with a walker. I try to stand up as much as possible although the scooter does make me a bit lazy.

I keep having to tell myself.."use it or lose it", to get me going.
I wish you Both Well.