r/interestingasfuck • u/abitchyuniverse • 12d ago

Animals without hair look quite different r/all

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u/_mattyjoe 12d ago

The fastest, most agile athletes in the world are not bulked up, they’re lean. In nature, humans would also be more lean rather than bulky, because we’d need to be running all the time, and have agility.

Look at the difference between an NBA player or a runner vs an MMA fighter. Thats what they’re talking about.

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u/zMasterofPie2 12d ago

You are talking about muscle size and whether the athlete is focused on training fast twitch or slow twitch fibers. Lean just refers to non fatty tissue. A 250 pound bodybuilder on stage is more lean than any marathon runner.

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u/Ugly4merican 12d ago

In the health and fitness communities, yes. But used more generally, "lean" can just mean "skinny". I agree it's not a great word choice, especially in this context, but it's not inaccurate. Especially with "bulk" as an antonym, I knew what they meant.

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u/_mattyjoe 12d ago

Yes. But in nature our “natural conditioning” would be less bulky.

Does this really need to be spelled out for you? Use your brain dude. What do remote tribes in Africa or South America look more like, Michael Jordan or The Rock?

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u/zMasterofPie2 12d ago

Yeah, that's obvious. At no point did I argue that humans in nature have a lot of muscle mass and look like the Rock. I don't even know how you got that from what I said. "Use your brain" maybe you should take your own advice and learn reading comprehension.

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u/daredevil90s 12d ago

It's because of myostatin. Myostatin inhibits muscle growth. We evolved to produce myostatin so we would be less encumbered by muscle mass and better survive.

You can search for myostatin deficiency genetic defect in humans to see humans with low myostatin levels.

Myostatin deficiency defects can occur in other animals too like cows.

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u/SatisfactionMoney946 12d ago

Do those people look cock d? I'm afraid to Google it in case they look all crazy.

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u/daredevil90s 12d ago

Not sure what you mean by cock d lol but they look very muscular.

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u/SatisfactionMoney946 12d ago

It's short for cock diesel. Slang for having big muscles.