QUOTE(Chisoxfn @ Mar 11, 2006 -> 11:41 AM)
I think once your at 1000 pounds, a treadmill isn't an option.
Exactly. If you are really heavy, there is no way you could/should exercise due to the effects on your legs and other physical ailments. Some personal trainers I know won't let you do any cardio until you are below a certain weight.