Why does the Gluteus Muscles not increase in size proportional to other muscles

When you look at body builders, they have massive muscles all over their bodies, but the gluteus muscles all remain small. In fact, they actually seem to become smaller with training, unlike the rest.

Why is this? What makes this particular group of muscles so different that regardless of how they are trained, they decrease in size rather than increase? (I know it’s a good thing, I just want to know why)

Sorry, I got notin on this one…

The only thing that comes to mind is that when you “diet” (if you are like me) you find out there is a lot more fat on your butt than you think, almost a second “spare tire.”



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