不同体重指数值的成年人身体形状的体积差异：一项使用三维身体扫描的分析。
Volumetric differences in body shape among adults with differing body mass index values: An analysis using three-dimensional body scans.
作者信息
Daniell Nathan, Olds Tim, Tomkinson Grant
机构信息
Health and Use of Time (HUT) Group, Sansom Institute for Health Research, University of South Australia, Adelaide, South Australia 5001, Australia.
出版信息
Am J Hum Biol. 2014 Mar-Apr;26(2):156-63. doi: 10.1002/ajhb.22490. Epub 2013 Nov 30.
OBJECTIVES
This study quantified differences in body shape of people differing in body mass index (BMI), using three-dimensional (3D) scan-extracted segmental body volumes.
METHODS
Eight segmental volumes were measured on 340 young adults (169 males and 171 females) aged 18-30 years, using the Vitus Smart 3D whole body scanner. Body volumes were also expressed as a ratio of the sex-specific mean volume (segmental or whole body) and compared to BMI using simple linear regression, multiple-segment-linear regression and Lowess curves.
RESULTS
While all segmental volumes increased significantly as BMI increased, the BMI-related patterns of increase varied among different body segments. For example, pelvis and abdomen volumes increased at a significantly greater rate than whole body volume, with the rates of increase greatest in the overweight and obese.
CONCLUSIONS
Body shape changes due to variations in body volume could have important implications in a range of fields that currently use 1D anthropometric measurements that do not capture body shape differences in the same detail.
目的
本研究使用三维（3D）扫描提取的节段性身体体积，量化了身体质量指数（BMI）不同的人群在体型上的差异。
方法
使用维图斯智能3D全身扫描仪，对340名年龄在18至30岁之间的年轻人（169名男性和171名女性）测量了八个节段性体积。身体体积也表示为特定性别的平均体积（节段性或全身）的比率，并使用简单线性回归、多节段线性回归和局部加权散点平滑法（Lowess）曲线与BMI进行比较。
结果
虽然随着BMI的增加，所有节段性体积均显著增加，但不同身体节段与BMI相关的增加模式有所不同。例如，骨盆和腹部体积的增加速度明显高于全身体积，超重和肥胖者的增加速度最快。
结论
由于身体体积变化导致的体型变化，可能会在一系列目前使用一维人体测量方法的领域产生重要影响，这些方法无法同样详细地捕捉体型差异。
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