warriordash

[derf]

Originally Posted by 101lifts2

You don't convert fat to muscle.

Ummmm, no shit

Originally Posted by 101lifts2

Cardio endurance/efficiency at maximal levels of output (i.e. VO2 max) will decrease after 1 week, unless your cardio typically is lackluster in comparison to your potential max output. There has been many studies on this.

Thats for people that are in better than average shape, your avergae dude off the street, even with a crappy routine wont see much loss in cardio fitness.