40 Rep Ab Workout (HARD CORE!!)

Get chiseled abs and keep them year round - http://athleanx.com/x/year-round-6-pack Everyone knows that they need to do ab workouts if they want to get their abs to show, but what kind of ab workout is best? In this video, I show you how one often overlooked type of ab training is going to help you to complete your core development by addressing the primary function of the ab muscles, stability. Core stability is something that will not be trained when you are moving your spine. You must include ab exer

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