磁振造影法探討生物電阻儀測量體脂肪的準確性研究

The Use of Magnetic Resonance Imaging for Investigating the Accuracy of Bioelectrical Impedance Analysis

李佳怡(Chia-I Lee) ； 何維華(Wei-Hua Ho) ； 李超群(Chou-Chin Lee)

《大專體育學刊》 6卷3期 (2004/10) Pp. 189-197

https://doi.org/10.5297/ser.200410_6(3).0016

摘要

As civilization has evolved, human beings have reduced the amount of physical labor that is done in daily life. This has caused serious health problems, and now people pay more attention to physique and fitness issues. There are many methods to assess body composition, and this equipment is simple to operate. Therefore, accuracy of the equipment has become an important issue. Thus becomes a doubtable point, it is necessary to standardize an exact assessment in measuring the percentage of body fat. The current methodologies that people often use are Body Mass Index (BMI), Bioelectrical Impedance Analysis (BIA), skin fold measurement and magnetic resonance imaging (MRI). Among these methods, BIA is considered to be convenient and has become more and more popular. However, because of doubts concerning the accuracy of many measuring devices, a precise assessment of BIA needs to be conducted. The purpose of this study was to assess the percentage of body fat by MRI, and to compare it to BIA. We carried out three BIA assessments on subjects. After the experiment, we took the MRI measurement as a criterion, correcting the result of other methods and comparing the variation of four assessments. MRI can truly provide the most trustworthy assessment.

關鍵字

磁振造影法 ； 生物電阻儀 ； 身體組成 ； 體脂肪百分比

並列摘要

As civilization has evolved, human beings have reduced the amount of physical labor that is done in daily life. This has caused serious health problems, and now people pay more attention to physique and fitness issues. There are many methods to assess body composition, and this equipment is simple to operate. Therefore, accuracy of the equipment has become an important issue. Thus becomes a doubtable point, it is necessary to standardize an exact assessment in measuring the percentage of body fat. The current methodologies that people often use are Body Mass Index (BMI), Bioelectrical Impedance Analysis (BIA), skin fold measurement and magnetic resonance imaging (MRI). Among these methods, BIA is considered to be convenient and has become more and more popular. However, because of doubts concerning the accuracy of many measuring devices, a precise assessment of BIA needs to be conducted. The purpose of this study was to assess the percentage of body fat by MRI, and to compare it to BIA. We carried out three BIA assessments on subjects. After the experiment, we took the MRI measurement as a criterion, correcting the result of other methods and comparing the variation of four assessments. MRI can truly provide the most trustworthy assessment.

並列關鍵字

MRI ； BIA ； body composition ； body fat

參考文獻

World Health Organization

Bedogni, G.(2003).Cross-calibration of eight-polar bioelectrical impedance analysis versus dual-energy X-ray absorptiometry for the assessment of total and appendicular body composition in healthy subjects aged 21-82 years.Annals of Human Biology.30(4),380-392.

Caton, J. R.,Mole, P. A.,Adams , W. C.,Heustis , D. S.(1988).Body composition analysis by bioelectrical impedance: effect of skin temperature.Medicine & Science in Sports & Exercise.20(5),489-491.

Hoffer, E. C.,Meador, C. K.,Simpsom, D. C.(1970).A relationship between whole body impedance and total body water volume.Annals of the New York Academy of Science.170(2),452-461.

Loan, Marta、D., & Van、陳廷國、方明和(1993)。以生物電阻分析法測定人體之無脂肪體重(FFM)、含水量(TBW)及脂肪含量。體育與運動。88，71-76。