Maximize Your Exercise Regimen -- in 30 Minutes Flat

The guy's an idiot. Don't listen. ABC supports this tripe. Don't listen to them, either.

"Consider this: if you run for one hour, you burn a certain amount of calories. But if you sprint for 30 minutes or do intervals, you still burn the same amount of calories."

YOU try "sprint(ing) for 30 minutes."

" Accomplish the same thing with exercises that involve your own body weight."

If this is strength training (somewhat unclear in an article characterized by lack of clarity), you CANNOT "Accomplish the same thing with exercises that involve your own body weight."

It is simply not possible.

More examples of why following expert advice will only lead to failure.