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Added on the 10/11/2014 20:12:38 - Copyright : ExtremeFitness
Sean Callahan of ExtremeFitness.com demonstrates the one minute air squat challenge.
Sean Callahan of ExtremeFitness.com demonstrates the one minute hammer curl challenge.
Sean Callahan of ExtremeFitness.com demonstrates the one minute jump rope challenge.
Tanner Martty of ExtremeFitness.com demonstrating straight leg sit ups.
Eliminate tummy bulge with Sit Ups demonstrated by Rebecca Louise Smith of ExtremeFitness.com.