Abstract:
:This study examined the agreement between estimates of thigh volume (TV) with anthropometry and dual-energy x-ray absorptiometry (DXA) in healthy school children. Participants (n=168, 83 boys and 85 girls) were school children 10.0-13.9 years of age. In addition to body mass, height and sitting height, anthropometric dimensions included those needed to estimate TV using the equation of Jones & Pearson. Total TV was also estimated with DXA. Agreement between protocols was examined using linear least products regression (Deming regressions). Stepwise regression of log-transformed variables identified variables that best predicted TV estimated by DXA. The regression models were then internally validated using the predicted residual sum of squares method. Correlation between estimates of TV was 0.846 (95%CI: 0.796-0.884, Sy·x=0.152 L). It was possible to obtain an anthropometry-based model to improve the prediction of TVs in youth. The total volume by DXA was best predicted by adding body mass and sum of skinfolds to volume estimated with the equation of Jones & Pearson (R=0.972; 95%CI: 0.962-0.979; R (2)=0.945).
journal_name
Eur J Sport Scijournal_title
European journal of sport scienceauthors
Coelho-E-Silva MJ,Malina RM,Simões F,Valente-Dos-Santos J,Martins RA,Vaz Ronque ER,Petroski EL,Minderico C,Silva AM,Baptista F,Sardinha LBdoi
10.1080/17461391.2013.767945subject
Has Abstractpub_date
2013-01-01 00:00:00pages
527-33issue
5eissn
1746-1391issn
1536-7290journal_volume
13pub_type
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