20 Minute HIIT Cardio Workout: Burn Fat & Maintain Muscle



Team Dymatize Athlete David Morin knows a thing or two about getting shredded. In this video he shares his 20 minute HITT Cardio Circuit he uses when …

source Muscle Building And Cardio

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Bodybuilding and Fitness Guru Former Owner Of 6 Gyms .. Writer On Fitness