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  • Procrustes-based geometric morphometrics (GM) is most often applied to problems of craniofacial shape variation. Here, we demonstrate a novel application of GM to the analysis of whole postcranial elements in a study of 77 hominoid tibiae. We focus on two novel methodological improvements to standard GM approaches: 1) landmark configurations of tibiae including 15 epiphyseal landmarks and 483 semilandmarks along articular surfaces and muscle insertions along the tibial shaft and 2) an artificial affine transformation that sets moments along the shaft equal to the sum of the moments estimated in the other two anatomical directions. Diagrams of the principal components of tibial shapes support most differences between human and non-human primates reported previously. The artificial affine transformation proposed here results in an improved clustering of the great apes that may prove useful in future discriminant or clustering studies.
  • Procrustes-based geometric morphometrics (GM) is most often applied to problems of craniofacial shape variation. Here, we demonstrate a novel application of GM to the analysis of whole postcranial elements in a study of 77 hominoid tibiae. We focus on two novel methodological improvements to standard GM approaches: 1) landmark configurations of tibiae including 15 epiphyseal landmarks and 483 semilandmarks along articular surfaces and muscle insertions along the tibial shaft and 2) an artificial affine transformation that sets moments along the shaft equal to the sum of the moments estimated in the other two anatomical directions. Diagrams of the principal components of tibial shapes support most differences between human and non-human primates reported previously. The artificial affine transformation proposed here results in an improved clustering of the great apes that may prove useful in future discriminant or clustering studies. (en)
Title
  • Technical note: A novel Geometric Morphometric approach to the study of long bone shape variation.
  • Technical note: A novel Geometric Morphometric approach to the study of long bone shape variation. (en)
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  • Technical note: A novel Geometric Morphometric approach to the study of long bone shape variation.
  • Technical note: A novel Geometric Morphometric approach to the study of long bone shape variation. (en)
skos:notation
  • RIV/00216224:14310/12:00063909!RIV13-MSM-14310___
http://linked.open...avai/riv/aktivita
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  • 173378
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  • RIV/00216224:14310/12:00063909
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  • tibia; hominoids; semilandmarks; artificial affine transformation; locomotion (en)
http://linked.open.../riv/klicoveSlovo
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  • US - Spojené státy americké
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  • [B3C9E504A5D8]
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  • American Journal of Physical Anthropology
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  • 149
http://linked.open...iv/tvurceVysledku
  • Bookstein, F. L.
  • Katina, Stanislav
  • Frelat, Melanie
  • Weber, G. W.
http://linked.open...ain/vavai/riv/wos
  • 000311237400017
issn
  • 0002-9483
number of pages
http://bibframe.org/vocab/doi
  • 10.1002/ajpa.22177
http://localhost/t...ganizacniJednotka
  • 14310
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