Usefulness of age-adjusted equations to estimate body fat with air displacement plethysmography in male adolescent athletes

被引:1
作者
Sardinha, LB [1 ]
Silva, AM [1 ]
Teixeira, PJ [1 ]
机构
[1] Univ Tecn Lisboa, Fac Human Movement, Exercise & Hlth Lab, Cruz Quebrada, Portugal
关键词
body fat; body composition; athletes; air displacement plethysmography;
D O I
10.1007/s00592-003-0029-7
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
This study was designed to examine the accuracy of air-displacement plethysmography (ADP) using Lohman's age-adjusted equations (Leq) and Siri's equation (Seq) in estimating body fat (BF) in male adolescent athletes, with the four-compartment (4C) model as reference. Subjects were 51 Caucasian boys (age, 15.5 +/- 1.2 years; weight, 71.0 +/- 11.9 kg: stature, 1.79 +/- 0.12 m). Comparison of means with the Wilcoxon test showed that BF estimates with Seq to be different from those with Leq and 4C model, (8.8 +/- 4.4 vs. 7.9 +/- 4.5 and 8.1 +/- 4.0 kg, respectively) (p<0.001), suggesting an overestimation of BE However, BF estimates with the Leq and with the 4C model were identical (p>0.05). Estimates using Seq and Leq with the 4C model were similar, as shown by the 95% confidence intervals (-4.7-2.4 and -4.0-3.7. respectively). These findings suggest that in male adolescent athletes, the use of Leq improves estimates of BF by densitometry using ADP.
引用
收藏
页码:S63 / S67
页数:5
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