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Class Slides Set 15B The Upper Body

Class Slides Set 15B The Upper Body. brachiation and erect walking resulted in a number of postcranial changes. Skeleton of a brachiator (gibbon). Understanding Physical Anthropology and Archaeology, 8th ed ., p. 129. The upper body. Continue on to Set # 16A. The Skull.

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Class Slides Set 15B The Upper Body

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  1. Class Slides Set15B The Upper Body

  2. brachiation and erect walking resulted in a number of postcranial changes

  3. Skeleton of a brachiator (gibbon) Understanding Physical Anthropology and Archaeology, 8th ed., p. 129

  4. The upper body . . .

  5. Continue on to Set # 16A The Skull

  6. Humans developed an S-curved backbone (rather than one with a simple curve)

  7. Human vertebral column (lateral view). Understanding Physical Anthropology and Archaeology, 8th ed., p. 507

  8. Modern human skeleton Understanding Physical Anthropology and Archaeology, 8th ed., p. 223

  9. Human skeleton (Homo sapiens) – bipedal hominid. Understanding Physical Anthropology and Archaeology, 8th ed., p. 507

  10. Spine has become more massive and rigid, with fewer vertebrae . . .

  11. Chest has become wider and more barrel-like

  12. Modern human skeleton Understanding Physical Anthropology and Archaeology, 8th ed., p. 223

  13. Shoulders have broadened

  14. Human skeleton (Homo sapiens) – bipedal hominid. Understanding Physical Anthropology and Archaeology, 8th ed., p. 507

  15. Relatively longer necks have developed

  16. Modern human skeleton Understanding Physical Anthropology and Archaeology, 8th ed., p. 223

  17. Humankind Emerging, 7th ed., p. 190

  18. The arms and hands . . .

  19. The forelimbs of apes have become strengthened and elongated (relative to the length of the body)

  20. Homo habilis Humankind Emerging, 7th ed., p. 240

  21. Gorilla Humankind Emerging, 7th ed., p. 113

  22. Hands become more hand-like . . .

  23. Humankind Emerging, 7th ed., p. 174+

  24. Power grip – (“prehensility”) a grip involving all fingers of the hand equally, as in grasping a baseball

  25. Precision grip – (“opposability”) a grip that involves opposing the tip of the thumb to the tips of the other fingers

  26. Hand anatomy. Understanding Physical Anthropology and Archaeology, 8th ed., p. 513

  27. Primate (Macaque) hand Understanding Physical Anthropology and Archaeology, 8th ed., p. 121

  28. Two-year-old Baboon The Primates, Time-Life (1974)p. 126

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