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Short men were very attractive millions of years ago

Posted on Saturday, March 17 2007 @ 06:16:15 CET by


Scientists believe that before humans learned how to use tools and weapons, men with short legs had a significant advantage in combat:
The study analyzed leg lengths and indicators of aggression in nine primate species, including human aborigines. It is in the March issue of the journal Evolution.

Creatures in the genus Australopithecus – immediate predecessors of the human genus Homo – had heights of about 3 feet 9 inches for females and 4 feet 6 inches for males. They lived from 4 million to 2 million years ago.

"For that entire period, they had relatively short legs – longer than chimps' legs but shorter than the legs of humans that came later," Carrier says.

"So the question is, why did australopiths retain short legs for 2 million years? Among experts on primates, the climbing hypothesis is the explanation. Mechanically, it makes sense. If you are walking on a branch high above the ground, stability is important because if you fall and you're big, you are going to die. Short legs would lower your center of mass and make you more stable."

Yet Carrier says his research suggests short legs helped australopiths fight because "with short legs, your center of mass is closer to the ground. It's going to make you more stable so that you can't be knocked off your feet as easily. And with short legs, you have greater leverage as you grapple with your opponent."



 



 

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