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I ask because doing so with the right workout will elevate your heart rate for 20 minutes and throw your metabolism into overdrive.
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EPOC is not a significant contributor to total metabolism.
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This kind of workout is for those who want to lose weight and gain muscle at the same time.
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Circuit training is actually sub-optimal when it comes to building muscle....
Without bringing the nutrition aspect into context.
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Why want to gain muscle as well? Because a gain of 2 or 3 pounds of muscle means you'll expend an additional 70 to 100 calories a day.
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Sure about that?