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 ...
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 ...