#  They reveal the key moment that separated man from ape: the two changes in the pelvis that allow us to walk upright 

 





August 27, 2025

 

 

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The pelvis is the key structure that allows humans to stand and walk upright on two legs . It is one of the aspects that distinguishes us from even our closest primate relatives, who need to use all four limbs to move efficiently. Our hip bones have transformed over millions of years to support our unique style of locomotion.

**Source:** El Espanol

**Link:** [Full Text](https://www.elespanol.com/ciencia/investigacion/20250827/revelan-momento-clave-separo-hombre-mono-cambios-pelvis-permiten-caminar-erguidos/1003743901565_0.html)



 

 

 



 

 

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