3 Drills That Will Definitely Boost Your Cardio Fitness

3 Drills That Will Definitely Boost Your Cardio Fitness

Does your cardio workout make you feel like a rat on a wheel? Then it’s probably time to change up your routine. And not just because you’re bored. “The human body wasn’t designed for conveyor-belt training or repetitive, one-dimensional movement,” says Dan John, a...

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