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Uploaded by trek2befit on May 10, 2010
http://trek2befit.com/muscle-confusionClick here to be Coached by me for free- http://trek2befit.com/go/freebbc-ytSo what the heck is muscle confusion? Watch this short clip to learn what muscle confusion is, what it has to do with P90X, and how it benefits you!http://trek2befit.com/muscle-confusion
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