Fiber type alteration to potentiate hypertrophy

Black Friday Forums Training Fiber type alteration to potentiate hypertrophy

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  • #326448
    aomeara21
    Participant

    I have a “bro” theory and I’m curious if you guys have had any education or anecdotal evidence to confirm or deny this

    My hypothesis is that have a powerlifting focused (maximal power and or strength base) at either the beginning of a persons lifting career or following a break will prepare the muscles to grow in a proceeding program with more hypertrophy focused rep ranges

    My thought process behind this is that in addition to the benefits in stability adapted from heavy % loads the lifters intermediate fibers will transition to fast twitch predominant muscle bellies based on the theory that intermediate fiber will transition to support the stimulus provided

    In case the highlighting makes it too hard to read here is quotations from “scientific principles of strength” by israetel, chad Weasley smith and James Hoffman
    Which describe the process muscle fiber adaptation takes place as it relates to specificity ( in this case it’s adaptations to converging and opposing stimuli)

    “Fast twitch fibers
    produce force rapidly when activated by the nervous system, but more
    importantly for powerlifting, they produce more force per cross-sectional
    area. Not only this, they are much bigger than slower twitch fibers to
    begin with, and also respond to heavy training by growing faster and
    more in total than slower-twitch fibers. Thus, having your muscles be
    predominantly fast twitch (or rather as fast twitch as your genetics will
    allow) is a very good thing for both acute powerlifting performance
    (picking up heavy weights NOW) and for later improvements in
    performance (getting bigger and stronger with time).”

    “The fiber types themselves
    don’t change through training, but the intermediate fibers (ones of
    an even mix of fast and slow twitch properties) start to behave more
    like slow twitch fibers and less like fast twitch Fibers. This change in
    characteristics seems largely (likely wholly) reversible, but both the
    initial change to slow twitch and reversion to faster twitch can take on
    the order of months to occur. In a meaningful sense, endurance training
    will reduce the pool of fast-acting fibers in at any one point and over
    time, and is thus largely harmful to powerlifting results.”

    Thank you if You get around to reading it all. I don’t blame u if you don’t have the time to read this book of a post.

    Ps. Sorry if there’s any misused terminology I’m 18 and don’t have a college degree in this field which is why I’m coming to you😂

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    #327397
    Joe
    Keymaster
    #327719
    aomeara21
    Participant

    Awesome I appreciate you diving into it with me. Thats exactly what I was looking for and you expressed my other train of thought being using heavy weight training close to failure would provide enough of a stimulus to promote intermediate fiber adaptations anyway.

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