Document Detail

Ontogeny of femur subtrochanteric shape in Native Americans and American Blacks and Whites.
MedLine Citation:
PMID:  17199609     Owner:  NLM     Status:  MEDLINE    
Femur subtrochanteric size and shape can be used to differentiate between adult Native Americans and American Blacks and Whites, but little is known about when shape differences are established during growth and development. Ontological changes in subtrochanteric shape were examined using 74 Native American and 61 American Black/White subadult femora. At birth, the proximal femur diaphysis is relatively circular in both groups. Between birth and 5 years, the diaphysis becomes more mediolaterally broad, especially in Native Americans, due to differential growth between the mediolateral and anteroposterior planes. This change may be due to biomechanical stresses associated with developing a mature gait pattern. After the age of 5, growth occurs more equally in the two planes and shape does not change significantly. The adult shape of the proximal femur is established by c. 5 years of age and can be used to discriminate between Native American and American Black/White femora in older subadults.
Daniel J Wescott
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of forensic sciences     Volume:  51     ISSN:  0022-1198     ISO Abbreviation:  J. Forensic Sci.     Publication Date:  2006 Nov 
Date Detail:
Created Date:  2007-01-03     Completed Date:  2007-01-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375370     Medline TA:  J Forensic Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1240-5     Citation Subset:  IM    
Department of Anthropology, University of Missouri, Columbia, MO 65211, USA.
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MeSH Terms
Child, Preschool
Continental Population Groups*
Diaphyses / anatomy & histology,  growth & development
Femur / anatomy & histology,  growth & development*
Forensic Anthropology*
Infant, Newborn
United States

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