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生物电阻抗光谱法评估摔跤运动员和未训练受试者总体水和身体成分的有效性。

Validity of Bioimpedance Spectroscopy in the Assessment of Total Body Water and Body Composition in Wrestlers and Untrained Subjects.

机构信息

Faculty of Education, University of Miyazaki, Miyazaki 889-2192, Japan.

Fukuoka University Institute for Physical Activity, Fukuoka 814-0180, Japan.

出版信息

Int J Environ Res Public Health. 2020 Dec 16;17(24):9433. doi: 10.3390/ijerph17249433.

DOI:10.3390/ijerph17249433
PMID:33339316
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7767207/
Abstract

Bioimpedance spectroscopy (BIS) is an easy tool to assess hydration status and body composition. However, its validity in athletes remains controversial. We investigated the validity of BIS on total body water (TBW) and body composition estimation in Japanese wrestlers and untrained subjects. TBW of 49 young Japanese male subjects (31 untrained, 18 wrestlers) were assessed using the deuterium dilution method (DDM) and BIS. De Lorenzo's and Moissl's equations were employed in BIS for TBW estimation. To evaluate body composition, Siri's 3-compartment model and published TBW/fat-free mass (FFM) ratio were applied in DDM and BIS, respectively. In untrained subjects, DDM and BIS with de Lorenzo's equation showed consistent TBW estimates, whereas BIS with Moissl's equation overestimated TBW ( < 0.001 vs. DDM). DDM and BIS with de Lorenzo's equation estimated FFM and percent of fat mass consistently, whereas BIS with Moissl's equation over-estimated and under-estimated them ( < 0.001 vs. DDM). In wrestlers, BIS with de Lorenzo's and Moissl's equations assessed TBW similarly with DDM. However, the Bland-Altman analysis revealed a proportional bias for TBW in BIS with de Lorenzo's equation (r = 0.735, < 0.001). Body composition assessed with BIS using both equations and DDM were not different. In conclusion, BIS with de Lorenzo's equation accurately estimates the TBW and body composition in untrained subjects, whereas BIS with Moissl's equation is more valid in wrestlers. Our results demonstrated the usefulness of BIS for assessing TBW and body composition in Japanese male wrestlers.

摘要

生物阻抗谱(BIS)是一种评估水合状态和身体成分的简单工具。然而,其在运动员中的有效性仍存在争议。我们研究了 BIS 在评估日本摔跤手和未训练受试者的总体水(TBW)和身体成分方面的有效性。使用氘稀释法(DDM)和 BIS 评估了 49 名年轻日本男性受试者(31 名未训练者,18 名摔跤手)的 TBW。在 BIS 中,使用 De Lorenzo 和 Moissl 的方程来估算 TBW。为了评估身体成分,Siri 的 3 室模型和发表的 TBW/去脂体重(FFM)比值分别应用于 DDM 和 BIS。在未训练的受试者中,DDM 和 BIS 与 De Lorenzo 方程的 TBW 估计值一致,而 BIS 与 Moissl 方程的 TBW 估计值偏高(<0.001 与 DDM)。DDM 和 BIS 与 De Lorenzo 方程一致地估计了 FFM 和脂肪质量百分比,而 BIS 与 Moissl 方程则偏高和偏低(<0.001 与 DDM)。在摔跤手方面,BIS 与 De Lorenzo 和 Moissl 方程的 TBW 评估与 DDM 相似。然而,Bland-Altman 分析显示,BIS 与 De Lorenzo 方程的 TBW 存在比例偏差(r=0.735,<0.001)。使用两种方程和 DDM 评估的身体成分没有差异。总之,BIS 与 De Lorenzo 方程可以准确估计未训练受试者的 TBW 和身体成分,而 BIS 与 Moissl 方程在摔跤手方面更有效。我们的结果表明,BIS 可用于评估日本男性摔跤手的 TBW 和身体成分。

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