Muscle growth isn't easy - and it doesn't come quickly for most people - but muscle growth does happen, given enough time. Focus on these ten powerful, yet simple, rules for getting great returns and you'll grow bigger…

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As soon as the '300' movie came out, the '300' workout came out. Men and women everywhere were eager to learn how King Leonidas and his Spartan warriors got their abs of steel, etc… Here is what they did!

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