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首页> 外文期刊>European journal of clinical nutrition >Validation of a three-dimensional body scanner for body composition measures
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Validation of a three-dimensional body scanner for body composition measures

机译：验证车身组成措施的三维车身扫描仪

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摘要

The accuracy of an infrared three-dimensional (3D) body scanner in determining body composition was compared against hydrostatic weighing (HW), bioelectrical impedance analysis (BIA), and anthropometry. A total of 265 adults (119 males; age = 22.1 +/- 2.5 years; body mass index = 24.5 +/- 3.9 kg/m(2)) had their body fat percent (BF%) estimated from 3D scanning, HW, BIA, skinfolds, and girths. A repeated measures analysis of variance (ANOVA) indicated significant differences among methods (p 0.001). Multivariate ANOVA indicated a significant main effect of sex and method (p 0.001), with a nonsignificant interaction (p = 0.101). Bonferroni post-hoc comparisons identified that BF% from 3D scanning (18.1 +/- 7.8%) was significantly less than HW (22.8 +/- 8.5%, p 0.001), BIA (20.1 +/- 9.1%, p 0.001), skinfolds (19.7 +/- 9.7%, p 0.001), and girths (21.2 +/- 10.4%, p 0.001). The 3D scanner decreased in precision with increasing adiposity, potentially resulting from inconsistences in the 3D scanner's analysis algorithm. A correction factor within the algorithm is required before infrared 3D scanning can be considered valid in measuring BF%.
机译：将红外三维（3D）体扫描仪在确定体组合物中的准确性与静水压称重（HW），生物电阻抗分析（BIA）和人体测定法进行比较。共有265名成人（119名男性;年龄= 22.1 +/- 2.5岁;体重指数= 24.5 +/- 3.9 kg / m（2））它们的体脂百分比（bf％）估计3D扫描，HW，比亚，肤色和周长。反复测量方差分析（ANOVA）表明方法之间的显着差异（P <0.001）。多变量Anova表明性别和方法的显着主要效果（P <0.001），不显着的相互作用（P = 0.101）。 Bonferroni后HOC比较鉴定到3D扫描的BF％（18.1 +/- 7.8％）明显小于HW（22.8 +/- 8.5％，P <0.001），BIA（20.1 +/- 9.1％，P＆LT ; 0.001），肤色（19.7 +/- 9.7％，P <0.001）和环状（21.2 +/- 10.4％，P <0.001）。 3D扫描仪以越来越高的肥胖，潜在地引起3D扫描仪分析算法的不一致。在测量BF％时，在红外线3D扫描之前需要算法内的校正因子。

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