Secular trends of 22 body dimensions in four racial/cultural groups of American males

American Journal of Human Biology : the Official Journal of the Human Biology Council
Thomas M Greiner, Claire C Gordon

Abstract

Data from the recent U.S. Army Anthropometric Survey provide a unique opportunity to assess long-term changes in body dimensions within the Army population. This report considers secular trends for 22 body dimensions within four racial/cultural groups: Whites, Blacks, Hispanics, and Asian/Pacific Islanders. Individuals were grouped by year of birth into 5 year cohorts, spanning 1911 to 1970. Rates of secular change were calculated by regressing age-adjusted dimensions against birth year cohort. Results showed that almost all dimensions sustained statistically significant linear trends, the few exceptions occurring in Asian/Pacific Islanders. The greatest rates of change occurred in dimensions related to soft tissues rather than skeletal dimensions. This pattern is consistent with recent American cultural emphasis on health and physical fitness. The causes of the observed trends, insofar as they have been identified, are related to cultural processes. This suggests that biological forces play a diminished role in shaping the patterns of secular change. Therefore, it may be more appropriate to study secular change in groups that are culturally, rather than biologically, defined.

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Citations

Jul 27, 2010·Ergonomics·Grant R TomkinsonPeter Blanchonette
Oct 3, 2015·Microscopy and Microanalysis : the Official Journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·Wenjing HuBingjian Zhang
Jan 16, 2008·European Journal of Applied Physiology·Miyo YokotaLarry G Berglund
Sep 29, 1999·Cadernos de saúde pública·G Kac
Oct 3, 2014·Journal of Forensic Sciences·Katherine I Harrington, Daniel J Wescott
Apr 25, 2015·Journal of Physiological Anthropology·Youngsuk Lee
Mar 30, 2021·American Journal of Human Biology : the Official Journal of the Human Biology Council·Robert Podstawski, Piotr Żurek

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