This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!

    Impact Muscle Building

    Visual Impact Muscle Building Gaining 20 pounds of muscle - See more at:

    abdellahh
    by abdellahh

    Community Contributor

    Impact Muscle Building

    Myofibrillar Hypertrophy:This is genuine muscle fiber development. This adds a considerable measure less to the span of a muscle than sarcoplasmic development, however since muscle fiber can contract - See more at:

    Want to get your very own quizzes and posts featured on BuzzFeed’s homepage and app?

    Become a Community Contributor.
    promo

    Sign up to get started

    Learn more about Community