
Originally Posted by
BIGTOY79
Hi guys,
I have read Marcus diary on how to hit different muscle fibers.
In brief he spoke about the 2a fast twitch and 2b fast twitch.
And he said in order to reach maximum muscle density and size is to work to positive failure to activate those 2b muscle fibers. But it was also said to do so between 6 to 12 reps max
My question is, what about if I reached positive failure but with much higher reps, let's say 15 to 20 reps, would that still activate 2b muscles fibers (bcoz I reached positive failure), or no it will hit different muscle fibers and différents goals ?
Hope I'm clear in my explanations.