Have you ever wondered why most of our classes involve interval training? 40/20s work/rest ratio (for example) is not picked at random. The folks over at Greatist.com pulled up a great little poster to reveal the science behind interval training, and how it helps build muscle, and lose weight. It’s a simple, quick read and should finally put a nail in the coffin to the common excuse “I don’t have time to work out”. Check it out after the jump.
Kevin
Kevin

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