Harris Markopoulos

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Harris Markopoulos
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Preparation, race analysis, and takeaways from the 2017 IRONMAN World Championship.

Not all muscles are created equal. Your muscle fibers are split into three types—and they all have strengths and weaknesses.  https://greatist.com/fitness/what-are-fast-and-slow-twitch-muscles

Not all muscles are created equal. Your muscle fibers are split into three types—and they all have strengths and weaknesses.