Dude, I'm on your side here, but I'm gonna have to step in (if somebody already hasn't)...
Being ambulatory is a GOOD THING.
Being ambulatory means you have the capability to be up and about and to walk.
The opposite of ambulatory is bed-ridden.
If Cam is ambulatory, that is GOOD. It means he can move around.
You OK now?
I know. I fugged up on that one. Oops