4-Minute HIIT Workout | WebMD



A high-intensity interval training session can work up a sweat fast — just make sure you’re in decent shape and warmed up before to give it a shot.

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The Perfect 7-Minute Workout



Some of the latest scientific research says that high intensity interval training is one of the best training methods for fat loss. Here’s how to give your entire body a workout in just 7 minutes.

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