Laetoli Pliocene hominid footprints and bipedalism

  title={Laetoli Pliocene hominid footprints and bipedalism},
  author={Michael H. Day and E. H. Wickens},
The ability to stand upright and walk on two legs is widely recognized as a crucial hominid adaptation that had profound effects on the course of human evolution. The relief of the upper limb from the task of supporting the trunk in locomotion would have permitted the efficient carriage of food, infants and later tools and weapons. Any or all of these activities could, it is believed, have improved the differential survival of early hominids. Precisely when upright stance and bipedal gait were… CONTINUE READING

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