That was just a short summary. It is a very important tool, but you have to be sure to include your own issues.
Actually, I found that following Cosgrove's AFterburn II...with Kettlebells as my Cardio...was miles easier than all the math. For some reason...which I think I have a handle on...doing someone else's stuff is easier for me.
I tend to thrive on three hard days a week, but I also need some other stuff, too.
I am rambling, but I know what I mean.