Document Detail

The effect of obesity and gender on body segment parameters in older adults.
MedLine Citation:
PMID:  20005028     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Anthropometry is a necessary aspect of aging-related research, especially in biomechanics and injury prevention. Little information is available on inertial parameters in the geriatric population that account for gender and obesity effects. The goal of this study was to report body segment parameters in adults aged 65 years and older, and to investigate the impact of aging, gender and obesity.
METHODS: Eighty-three healthy old (65-75 years) and elderly (>75 years) adults were recruited to represent a range of body types. Participants underwent a whole body dual energy X-ray absorptiometry scan. Analysis was limited to segment mass, length, longitudinal center of mass position, and frontal plane radius of gyration. A mixed-linear regression model was performed using gender, obesity, age group and two-way and three-way interactions (alpha=0.05).
FINDINGS: Mass distribution varied with obesity and gender. Males had greater trunk and upper extremity mass while females had a higher lower extremity mass. In general, obese elderly adults had significantly greater trunk segment mass with less thigh and shank segment mass than all others. Gender and obesity effects were found in center of mass and radius of gyration. Non-obese individuals possessed a more distal thigh and shank center of mass than obese. Interestingly, females had more distal trunk center of mass than males.
INTERPRETATION: Age, obesity and gender have a significant impact on segment mass, center of mass and radius of gyration in old and elderly adults. This study underlines the need to consider age, obesity and gender when utilizing anthropometric data sets.
April J Chambers; Alison L Sukits; Jean L McCrory; Rakié Cham
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2009-12-11
Journal Detail:
Title:  Clinical biomechanics (Bristol, Avon)     Volume:  25     ISSN:  1879-1271     ISO Abbreviation:  Clin Biomech (Bristol, Avon)     Publication Date:  2010 Feb 
Date Detail:
Created Date:  2010-02-01     Completed Date:  2010-04-26     Revised Date:  2013-10-31    
Medline Journal Info:
Nlm Unique ID:  8611877     Medline TA:  Clin Biomech (Bristol, Avon)     Country:  England    
Other Details:
Languages:  eng     Pagination:  131-6     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2009 Elsevier Ltd. All rights reserved.
Department of Bioengineering, University of Pittsburgh, 3700 O'Hara St., Pittsburgh, PA 15261, USA.
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MeSH Terms
Age Distribution
Age Factors
Anthropometry / methods
Body Size / physiology*
Obesity / epidemiology*,  physiopathology*
Pennsylvania / epidemiology
Sex Distribution
Sex Factors
Grant Support
1 UL1 RR024153-01/RR/NCRR NIH HHS; P30 AG024827/AG/NIA NIH HHS; P30 AG024827/AG/NIA NIH HHS; P30 AG024827-01/AG/NIA NIH HHS; UL1 RR024153/RR/NCRR NIH HHS; UL1 RR024153-01/RR/NCRR NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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