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Breaking HIIT Down: Anaerobic Respiration

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Check out this quick science lesson about anaerobic respiration and learn how it’s part of your HIIT workout in this installment of Breaking HIIT Down.

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We're Alex & Tim Ruben. Former Division 1 college football athletes turned NASM Certified Personal Trainers specializing in HIIT and fat loss. We’re here to teach you everything you need to know about getting and staying fit in less than 20 minutes a day!