Avatarmehlrick74flipped into Fat Burn3 Fat-Blasting Cardio Combos You Must TryMen's Health - Kelsey CannonDo these drills once, and they’ll forever change the way you think about cardio Looks like Punxsutawney Phil was right: Temperatures have plummeted outside, and we’re facing another six weeks of winter. But you don’t have to brave the icy weather or grind away on a treadmill to get in your cardio …