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#561 Anna Warrener: The Evolution of the Human Pelvis, Bipedalism, and Childbirth

The Dissenter

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Is Bipedalism the Way to Go?

We know exactly when we move from a mostly arboreal spec to a mostly terrestrial one. The lower part of the palvis has important adaptations too, but those occurring later in the fossil record. So like your bone or bony part that touches your seat when you're sitting, those are call ttial tuberosities. And in a quadruped they tend to be more tucked underneath, but in humans, they stick out a little bit more backwards. They face more towards the front of the body and that gives them better leverage for the hip extensor muscles.

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