Deck of cards workout. Although I would add some variations... Like a Jack is 11, Queen is 12, and King is 13. Also, I would shuffle the deck without the aces and then strategically space out the aces so you don't end up with two water breaks close together.
“I need at least 160 beats a minute—I need energy in my workouts,” says Jillian Michaels, The Biggest Loser trainer and author of Slim for Life. Get her playlist HERE: http://news.health.com/2013/02/11/jillian-michaels-playlist/#