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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Morphological basis of arm-swinging: multivariate analyses of the forelimbs of Hylobates and Ateles.
    Author: Takahashi LK.
    Journal: Folia Primatol (Basel); 1990; 54(1-2):70-85. PubMed ID: 2323689.
    Abstract:
    Field and laboratory studies of arm-swinging in gibbons reveal its singularity even compared to spider monkeys. On the basis of principal components and discriminant analyses of size-corrected forelimb variables, this study confirms their morphological uniqueness and the more generalized nature of the spider monkey forelimb. Long forearms, well-developed scapular spines, and sagittally thicker radial shafts are features associated strictly with gibbon arm-swinging. On the other hand, large humeral heads, projecting medial epicondyles, and axially elongated scapulae, traditionally regarded as arm-swinging traits, are probably more important for climbing.
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