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In the present study, an automated system utilizing an electronic digitizer and computer software was used to analyze cross\u2010sectional geometric properties of 11 femoral and tibial locations in 119 individuals from the Pecos Pueblo, New Mexico site. The data generated allow identification of clear differences in geometric properties between different regions of the femur and tibia. These differences appear to be related to specific in\u2010vivo mechanical loadings of the lower limb bones, serving to reduce stress and strain under these loadings. The data are also used to investigate possible differences in loading of the femur and tibia in the Pecos and modern samples, and between humans and a nonhuman primate sample.<\/jats:p>","DOI":"10.1002\/ajpa.1330600308","type":"journal-article","created":{"date-parts":[[2005,8,8]],"date-time":"2005-08-08T18:57:24Z","timestamp":1123527444000},"page":"359-381","source":"Crossref","is-referenced-by-count":476,"title":["Cross\u2010sectional geometry of Pecos Pueblo femora and tibiae\u2014A biomechanical investigation: I. 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