A comparative study of the elbow joints in five species of Chinese Macaques

Fa Hong Yu, Yan Zhang Peng, Ru Liang Pan, Zhi Zhang Ye, Hong Wang, Nina G. Jablonski

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Abstract

In this paper, we report the findings of a comparative study of the elbow joints of five species of macaque that inhabit China: Macaca assamensis, M. arctoides, M. mulatta, M. thibetana and M. nemestrina. Results of multivariate analyses of size-related variables and indices of the elbow joint suggested that the breadths of the ventral aspect of the trochlea and of the medial epicondyle of the humerus as well as indices describing the head of the radius are important factors for discriminating these species. The elbow joint of M. arctoides was most similar to that of M. thibetana, no doubt reflecting recency of common ancestry and similarity in terrestrial locomotion. The structures of the elbow joints in M. nemestrina and M. assamensis seemed more adapted to arboreal quadrupedalism. The elbow joint of M mulatta, however, appears intermediate between the most terrestrial and the most arboreal forms.

Original languageEnglish (US)
Pages (from-to)18-27
Number of pages10
JournalFolia Primatologica
Volume60
Issue number1-2
DOIs
StatePublished - Jan 1 1993

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All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology

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