How do chests shape from working out? Why do men who work out have different styles of chests? Is it because of their body shape and genetics, or simply because of the

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How much of a male's chest is breast tissue and how much is muscle

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Is the ability to get the 'V-shape' partially genetic? It seems most Asians, even the fittest of the fittest, can't get the V-shape. - Quora

I have a fair gap between my pecs, but it doesn't look like a sunken chest. What can it be? - Quora

Do bodybuilders have big chests and small triceps? - Quora

Why do some people have good athletic performance yet low chest

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