ANTH 1102 Lecture Notes - Lecture 12: Anatomically Modern Human, Orrorin, Pelvis
30 Mar 2017
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Comparing humans and non-human apes: the miocene links. Splitters: take similar traits but imply they are different enough to declare two different species. Lumpers: it should take more than one trait to define different species, favors large sample sizes. Walking upright on two feet, ability has increased throughout time. One of most identify features of being human. Knees and feet- human legs are more bent and knee joint shifted compared to apes, helps humans to walk upright and balance weight on top. Feet have lost the opposable toe and now have fixed forward toes which help with balance and walking, developed and arch in feet. Phalanges have become less curved bc no longer necessary for climbing in trees. Pelvis/ hips: long, large pelvis is designed for quadraped. Pelvis/ hips: long, large pelvis is designed for quadraped motion. Humans have wider and smaller to keep organs in place and support upper body-- have harder time with childbirth.
