Jason Borish: Efficient Crunches


He has six-pack-abs every workout enthusiast is dreaming of. In this video fitness model Jason Borish demonstrates and explains how to do basic crunch movements and shows variations for developing great abdominals. "It's not about how many crunches you do. It's about how you do them", Jason emphasizes.



Jason Borish's website: www.jasonborishfitness.com
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