Originally Posted by Llamafighter
So thsi is pretty much short circuits (not johnny 5) and changing excercise every few minutes, right? this looks like what we've been doing in boxing conditioning forthe past few months. EXHAUSTING to say the least.
20 seconds on....10 seconds off. You can switch up the seconds as well. Just as long as you doing more work than rest, of course!
Great benefits can be gained through this kind of training.