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Uploaded by ChainFitness on Nov 13, 2010
Maria Martin of Chain Fitness doing 100 consecutive double-unders.CHAIN FITNESSwebsite: http://ChainFitness.comfacebook: http://facebook.com/ChainFitnesstwitter: http://twitter.com/TaylorRamsdell
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Amazing! I'm still breaking mine down to one double under every other jump.
pennthebaker 8 months ago
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Amazing! I'm still breaking mine down to one double under every other jump.
pennthebaker 8 months ago