Why these animals (and one baby) are incredibly jacked. Nothing like a genetic mutation to make you look like a bodybuilder.

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A Piedmontese bull showing off his guns.
Atsme/Wikimedia Commons
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If superheroes kept cattle, they’d keep Belgian Blues. These behemoths have such bulging muscles you’d think they spent their lives in a gym designed especially for hooved creatures. But they don’t—they’re just born that way.
And they’re not alone. Piedmontese cattle have the same musculature, as do a subset of whippet dogs that breeders have dubbed “bully whippets.” The normally lithe pups are born with an exceptional volume of muscle, complete with thick necks and tails. There’s was once even a human baby who popped out with such unusual musculature that the pediatric neurologist brought in to examine the kid told The New York Timesthat “everybody noticed.” He and his colleagues later wrote  about the baby in the New England Journal of Medicine, noting that “he appeared extraordinarily muscular, with protruding muscles in his thighs and upper arms.”
All of these anomalous animals have the same genetic abnormality enabling their gains: their myostatin proteins don’t work.

Belgian Blue butts.
Pixabay
In order to grow muscles properly, your body uses a system of conflicting signals; some tell your cells to multiply or expand, while others inhibit that growth.  (▪ ▪ ▪)

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