Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Evaluation of Body Fat Prediction Equations from a Portable A-Mode Ultrasound Compared to Air Displacement Plethysmography
Measurement in Physical Education and Exercise Science ( IF 2.1 ) Pub Date : 2021-03-08 , DOI: 10.1080/1091367x.2021.1895163
R. Stephan Lowry 1 , Dale R. Wagner 1 , Megan Bigler 1
Affiliation  

ABSTRACT

BodyMetrix BX2000 A-mode ultrasound software offers nine options for estimating body fat percentage (%BF) from fat thickness measurements. These formulas were evaluated against %BF estimated from air displacement plethysmography in a sample of 42 men. Compared to the Bod Pod, three of the nine equations – Jackson and Pollock 3 site (JP3), Jackson and Pollock 7 site (JP7), and the National Health Center of America (NHCA) 4 site – had acceptable correlation coefficients (> 0.80), nonsignificant (p > .05) mean differences, and insignificant bias. Standard errors of estimate (SEE) ranged from 3.55 to 4.03%BF and total errors (TE) of 3.69 to 4.16%BF for these three formulas. Caution should be used when estimating %BF from the compilation of individual ultrasound sites due to estimation errors > 3.5%BF. The JP3, JP7, and NHCA 4-site formulas in the BX2000 A-mode ultrasound are recommended over other formula options for estimating the %BF of men.



中文翻译:

与空气置换体积描记法相比,便携式 A 模式超声对体脂肪预测方程的评估

摘要

BodyMetrix BX2000 A 模式超声软件提供九种选项,用于通过脂肪厚度测量来估算体脂百分比 (%BF)。这些公式是根据 42 名男性样本中空气置换体积描记法估计的 %BF 进行评估的。与 Bod Pod 相比,九个方程中的三个——杰克逊和波洛克 3 站点 (JP3)、杰克逊和波洛克 7 站点 (JP7) 以及美国国家健康中心 (NHCA) 4 站点——具有可接受的相关系数 (> 0.80 ), 不显着 ( p> .05) 均值差异和微不足道的偏差。这三个公式的估计标准误差 (SEE) 介于 3.55 至 4.03%BF 之间,总误差 (TE) 介于 3.69 至 4.16%BF 之间。由于估计误差 > 3.5%BF,因此在从单个超声站点的汇编中估计 %BF 时应谨慎使用。推荐使用 BX2000 A 模式超声中的 JP3、JP7 和 NHCA 4 位点公式而不是其他公式选项来估算男性的 %BF。

更新日期:2021-03-08
down
wechat
bug