Walking Interval Workout Poster

400-Calorie-Burning Walking Interval Workout

When you don't feel like getting your heart rate up, either because of illness, it's a rest-and-recovery day, or there's no time to get sweaty and take a shower, here's an interval workout that's all about walking. It's geared for the treadmill using the incline, so print this poster, hop on the belt, and do this 50-minute workout.

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