Shearing Mechanics and the Influence of a Flexible Symphysis During Oral Food Processing in Sphenodon (Lepidosauria: Rhynchocephalia)

@article{Jones2012ShearingMA,
  title={Shearing Mechanics and the Influence of a Flexible Symphysis During Oral Food Processing in Sphenodon (Lepidosauria: Rhynchocephalia)},
  author={M. E. Jones and P. O'higgins and M. Fagan and S. Evans and N. Curtis},
  journal={The Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology},
  year={2012},
  volume={295}
}
  • M. E. Jones, P. O'higgins, +2 authors N. Curtis
  • Published 2012
  • Biology, Medicine
  • The Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
  • The New Zealand tuatara, Sphenodon, has a specialized feeding system in which the teeth of the lower jaw close between two upper tooth rows before sliding forward to slice food apart like a draw cut saw. This shearing action is unique amongst living amniotes but has been compared with the chewing power stroke of mammals. We investigated details of the jaw movement using multibody dynamics analysis of an anatomically accurate three‐dimensional computer model constructed from computed tomography… CONTINUE READING
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