I have a question regarding muscle fiber recruitment. You have mentioned in several of your articles that a person reaches maximum muscle fiber recruitment if the load represents roughly 80-82% of his or her “relative max” (Max relative to the current level of fatigue) .
If you need to produce more force, no more motor neurons and therefore no additional muscle fibers will be recruited instead the increase in force production comes from a higher firing rate.
Is this correct?
This results in my question: How are elite lifters able to recruit ca. 90% (number may vary depending on mastery) of their muscle fibers during an action?
Do you know some recommendable literature so I can read that up?
I appreciate your time.