ANTHROP 2200 Lecture Notes - Lecture 11: Bipedalism, Fetus, Sagittal Suture
21 Mar 2020
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Document Summary
6 million years ago forests turn to savannas in africa climate for 4 m y. Climate is the biggest drives of fluctuating climate. Humans are good at adaptingto climate fbi ism. Human so swingthroughthough the trees we can"t swingthrough. Foramen magnum hole forspinal cord to reach the brain became more anterior than poster ios for bipedalism closes to mouth front of skull forward head. Dogs more chimpanzees have more posterior foramen magnum. S shaped spine us c shaped spine ge supports weight kft. H f much nude efficient human fetus quadrupeds other primates even when they. Try to walk upright hey are hunched in bowl shaped pelvis. Thicker bone supports the weight of upper body tilted. Ie to give birth forward pelvis he f my g for other primates much easier. Socialism development need the support of others to give birth femur mediallyangled valgus angle knees angled in ward.
