Q: I need to lose fat quickly, and I’ve been reading a lot about interval cardio training. I want to try it, so how would you suggest I work it into my program? I just started using the Heavy/Light 10×10 Workout based on one of your recent newsletters that made it sound great.

A: As we’ve said, high-intensity interval cardio is like doing another leg workout, so you must be cautious. For those who don’t know what HIIT is, a good example is sprinting the straight-aways and walking the curves on a running track.

You’re alternating anaerobic work, all-out sprints, with active rest, walking. Studies show that it’s an exceptional way to burn bodyfat for a number of reasons…

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