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 How do you measure the “intensity” of “high intensity training”? That’s easy. It’s already been done by smart people. People like Isaac Newton and James Watt (who coined the term, ’horsepower’). As far as your body is concerned, the intensity

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builderboy94:  First and only Hispanic IFBB pro bodybuilder till

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 There is a biochemist somewhere  who can provide a rigorous

There is a biochemist somewhere  who can provide a rigorous

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swaggathugz: David Mcintosh