Within this video, Rob shows how High Intensity Interval Training across 3 rounds, affects his heart rate and calories burned in just 15 minutes using his Whoop tracker. 

Rob Riches is a UK-born fitness cover model, athlete and competitor, making videos to help inspire, motivate and educate those looking to build a fitter, stronger & healthier body. He is a published author with a book about macro-nutrition (called Ultra Lean), and regular writes columns for Muscle & Fitness.

Learn more at: https://www.robrichesfitness.com

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