This Is the Best HIIT Workout, According to Science

Wed, 05 Jul 2017 04:00:13 +0000

Any HIIT (high-intensity interval training) session has major fat-burning benefits, but a workout is tops for improving fitness. This is the best HIIT workout according to science!

Any HIIT (high-intensity interval training) session has major fat-burning benefits, but a 4x4 workout is tops for improving fitness. | Health.com

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