Interval Training Explained

Have you ever wondered what the term “interval training” (or its acronym, HIIT) is all about, and why you need a Gymboss Interval Timer to make it happen? Here’s a graphic that lays it all out quite simply, and shows you that this is the BEST way, hands-down, to lose fat (yes, even better than going for an hour-long run).

The Complete Guide to Interval Training

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