Three out of three formidable German women suggest you do 10-20-30's
So, what starts off slowly, then gets more uncomfortable, then downright painful, then proceeds to repeat itself over and over and over 'til you want to puke?
Why yes, it's a Cranky Fitness blog post!
But this also describes the exercise I love to hate, high intensity interval training, or HIIT. And there's a newish variation, getting all kinds of rave reviews of late, called the "10-20-30."
Curious about the why's, how's, when's, whether's, and whatevers? Let's check out this puppy out.
