Tyrannosaurus was not a fast runner

@article{Hutchinson2002TyrannosaurusWN,
  title={Tyrannosaurus was not a fast runner},
  author={J. Hutchinson and Mariano Garcia},
  journal={Nature},
  year={2002},
  volume={415},
  pages={1018-1021}
}
  • J. Hutchinson, Mariano Garcia
  • Published 2002
  • Biology, Medicine
  • Nature
  • The fastest gait and speed of the largest theropod (carnivorous) dinosaurs, such as Tyrannosaurus, is controversial. Some studies contend that Tyrannosaurus was limited to walking, or at best an 11 m s-1 top speed, whereas others argue for at least 20 m s-1 running speeds. We demonstrate a method of gauging running ability by estimating the minimum mass of extensor (supportive) muscle needed for fast running. The model's predictions are validated for living alligators and chickens. Applying the… CONTINUE READING
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