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Title: A comparison of methods for the estimation of body composition in highly trained wheelchair games players
Authors: Goosey-Tolfrey, Victoria L.
Keil, Mhairi
Brooke-Wavell, Katherine S.F.
de Groot, Sonja
Keywords: Bioelectrical impedance
Air displacement plethysmography
Skinfolds
Dual-energy X-ray absorptiometry
Paralympic sport
Issue Date: 2016
Publisher: © Georg Thieme Verlag
Citation: GOOSEY-TOLFREY, V.L. ...et al., 2016. A comparison of methods for the estimation of body composition in highly trained wheelchair games players. International Journal of Sports Medicine, 37 (10), pp.799-806.
Abstract: The purpose of this study was to assess the agreement in body composition measurements of wheelchair athletes using skinfolds, bioimpedance analysis (BIA) and air displacement plethysmography (ADP) with the criterion method of dual-energy X-ray absorptiometry (DXA). A secondary objective was to develop new skinfold prediction equations to estimate %fat for this sample. Thirty wheelchair games players were recruited and the body composition outcomes of BIA, ADP, and skinfolds were compared to the DXA outcomes by a paired-samples t-test (systematic bias), intraclass correlation (ICC, relative agreement) and Bland-Altman plots (absolute agreement). Regression models to predict the %fat as measured by DXA by the sum of skinfolds or BIA were calculated. Results showed that the predictions of %fat when using BIA, ADP or skinfolds systematically underestimated the %fat mass as measured by the DXA. All ICC values, except for the measurement of fat (kg) by ADP (ICC=0.702), were below 0.7. New prediction models found the Σ7 skinfolds and calf circumference as the best model to predict %fat (R2=0.84). In conclusion, BIA, ADP and existing skinfolds equations should be used with caution when estimating %fat of wheelchair athletes with substantial body asymmetry, lower body muscular atrophy and upper body muscular development.
Description: This paper is embargoed until June 2017.
Version: Accepted for publication
DOI: 10.1055/s-0042-104061
URI: https://dspace.lboro.ac.uk/2134/20580
Publisher Link: http://dx.doi.org/10.1055/s-0042-104061
ISSN: 1439-3964
Appears in Collections:Closed Access (Sport, Exercise and Health Sciences)

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