Skip the crawl and backstroke; you can burn a bunch of calories in the pool — no swimming required. Here are five moves that will get your heart rate up while keeping you cool. Add our favorite ab and core exercises into your watery workout to target your middle, too. Subscribe to POPSUGAR Fitness! www.youtube.com/subscription_center?add_user=popsugartvfit Visit our website for more great workouts and fitness tips! www.fitsugar.com Are we friends yet? Join us on Facebook! www.facebook.com/POPSUGARFitness Get the latest updates via Twitter! twitter.com/#!/POPSUGARFitness