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Added on the 04/09/2014 21:21:49 - Copyright : ExtremeFitness
Sean Callahan of ExtremeFitness.com demonstrates the one minute sit up challenge.
Tanner Martty of ExtremeFitness.com demonstrating straight leg sit ups.
Richard Maillard of ExtremeFitness.com demonstrating the decline push up.
Check out these crossfit style ring push ups by Madeline Mosier of ExtremeFitness.com
Madeline Mosier of ExtremeFitness.com demonstrating the kipping handstand push up exercise used in crossfit.