Need a break from burpees, jump squats, and mountain climbers? This 20-minute HIIT boxing workout is a novel way to raise your BPMs. “Today, I’m going to be bringing you guys a 20-minute, HIIT ...

At some point, you grow tired of the same old cardio routines-- treadmill, elliptical, running, boot camps, what have you -- and need something a little different to mix things up. How about boxing?

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When you hear the term HIIT (that’s high-intensity interval training), your mind might immediately jump to burpees, mountain climbers, and jump squats. That’s one definition of HIIT, sure—but on this ...