期刊
AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY
卷 140, 期 1, 页码 19-24出版社
WILEY-LISS
DOI: 10.1002/ajpa.21025
关键词
humeral asymmetry; cross-sections; sex differences
This study uses two prehistoric Amerindian populations of hunter-gatherer subsistence patterns to determine whether levels of sexual dimorphism in humeral bilateral cross-sectional asymmetry are related to sex-specific differences in activities among these populations. Results confirmed that males of the California Amerind population who engaged in the more uni-manual activities of spear hunting and warfare were more asymmetrical than were their female counterparts who engaged in the more bimanual activities of grinding acorns. California Amerind males were also more asymmetrical than British Columbian Amerind males who rowed (using both arms) extensively. Sex differences within British Columbian Amerinds were not statistically significant, nor were female differences between populations. In general, levels of humeral asymmetry appear to be more dependent on sex and population-specific behaviors rather than broad subsistence patterns. Am J Phys Anthropol 140:19-24, 2009. (C) 2009 Wiley-Liss, Inc.
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