Question

A bowl shaped pelvis is considered evidence of bipedal locomotion. True or False

A bowl shaped pelvis is considered evidence of bipedal locomotion.

True or False

Homework Answers

Answer #1

true

  • The curvature in the lower back (lumbar lordosis) helps balance the upper body over the pelvis.
  • In the upper half of the pelvis, the size, shape and orientation of the iliac blades differ between apes and humans in a way that reflects our commitment to striding bipedal locomotion
  • Although the ilia are short in length compared to a chimpanzee, they extend more broadly to the side, resulting in a pelvis that is very broad overall.
  • This pelvic width contributes to a very different body shape for early hominids than for humans.
  • The width of the pelvis affects the muscular requirements of walking
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