与尸体参考值相比,西班牙裔成年人表现出更高的无脂肪质量密度:四个部分模型方法
Justo Perez1, Ronald L Snarr2, Catherine Saenz3
1School of Health and Rehabilitation Sciences, College of Medicine, The Ohio State University, Columbus, Ohio, USA.
Journal of the American Nutrition Association
|August 22, 2025
概括
在西班牙裔成年人中,使用4个隔间模型来评估身体组成. 与基准值相比,无脂肪质量特征显示了一些差异,特别是在男性中,这表明可能需要特定人群的方程.
科学领域:
- 人类生理学
- 身体组成分析
- 人类测量学
背景情况:
- 拉美裔美国人人口增长最快.
- 它们的体质组成,特别是无脂肪质量 (FFM) 特性,尚不清楚.
- 关键FFM特征包括密度,水分,骨矿物质含量和残留质量.
研究的目的:
- 在西班牙裔成年人中测量FFM特征.
- 将这些测量与尸体参考值进行比较.
- 为了精确分析,使用一个四个区间 (4C) 的模型.
主要方法:
- 招募了130名西班牙裔成年人 (60名男性,70名女性).
- 采用二氧化,双能X射线吸收测量和空气位移.
- 计算的FFM密度 (DFFM),水分 (TBW:FFM),骨矿物质含量 (Mo:FFM) 和残量 (R:FFM).
主要成果:
- 在西班牙裔男性和女性中,与参考数据相比,DFFM的差异很小.
- 女性的TBW:FFM,Mo:FFM和R:FFM差异较小至中等.
- 与尸体值相比,男性的TBW:FFM,Mo:FFM和R:FFM均有中等到很大的差异.
结论:
- DFFM和TBW:FFM的小效果表明目前的方法可能对西班牙裔成年人来说是准确的.
- 需要进一步的研究来验证现有的身体成分评估方法.
- 为了提高西班牙裔人口的准确性,可能需要特定人口或性别的方程.
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