iron.
nope. you can change your absolute strength by lifting (or not lifting).
you can't change your genetic potential - in other words, you can't change your "maximum absolute strength." there comes a point where no matter how many steroids you take, protein you ingest etc, you just cant make the machine "mo' better."
my absolute strength as a shotputter was quite different from now, for instance, as i had more muscle mass; i was designed for bigger pushes, pulls and heavier loads- the engine was different then. this makes perfect sense when you remember that the strength of any fiber bundle is proportional to its cross-sectional area.
make sense?
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