20 Minute Core Blast

If you are a fan of Eat.Fit.Fuel, you know that we are all about HIIT workouts and using them to achieve and work towards our fitness goals. High Intensity Interval Training can be used for a full workout or in pieces, to intensify muscle training and building. This workout from Grokker is about using the principles of interval training to create an awesome, hardcore ab workout. It will give you a whole new way to blast your abs and see the definition you’ve been after.

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