For example huge bodybuilders lifting a lot less than significantly smaller powerlifters
In: Biology
Muscles are made up from a lot of muscle cells, on the cell level, the bigger cell is the stronger one.
If you look at a whole muscle the coordination of the contraction of all those cells also becomes important. This is called intramuscular coordination.
When it now comes to a specific exercise the so called intermuscular coordination (the coordination between individual muscles) also plays an important role.
Bodybuilder train mainly for size so the other two componets are lacking compared to a powerlifter who tries to train every component to get the maximal lifting number.
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