Certified Personal Trainer fast-twitch Fitness slow-twitch muscle muscle fibers

Fast-Twitch Vs. Slow-Twitch Muscle Fiber Types + Training Tips

Stacey Penney
Stacey Penney
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Looking to build endurance? What about power? Do dreams of being an all-star hitter or marathon runner need to be dashed if twitch ratios aren’t ideal? Not necessarily. The types of muscle fibers targeted in different types of training programs can ...
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