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Boost | You Don't Know Squat Week #1 of 5

SweatFlix Boost – 15m

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    If you are still going to the gym, doing 15 minutes of cardio to warm up and then doing 20 minutes (or more) of weight training, and NOT seeing results, this is why. You need to understand what high intensity interval training is, and why it's 9 times more effective than doing cardio and weight ...

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