Association between body mass index and muscularity in healthy older Japanese women and men.

IF 3.3 4区医学 Q1 PHYSIOLOGY

Journal of Physiological Anthropology Pub Date : 2013-03-04 DOI:10.1186/1880-6805-32-4

Hiroaki Kanehisa, Tetsuo Fukunaga

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引用次数: 16

Abstract

Background: Body mass index (BMI), expressed as the ratio of body mass to height squared (kg/m(2)), involves not only fat but also lean mass. The present study aimed to clarify how BMI is associated with total muscle mass (TMM) in older Japanese women and men.

Findings: Using a B-mode ultrasound apparatus, muscle thickness was measured at nine sites (forearm, upper arm anterior and posterior, thigh anterior and posterior, lower leg anterior and posterior, abdomen, and subscapular) for 346 women (BMI 16.40 to 33.11 kg/m(2)) and 286 men (BMI 16.86 to 31.18 kg/m(2)) aged 60.0 to 79.5 yrs. TMM was estimated using the product of the sum of the muscle thicknesses at the nine sites with height as an independent variable. For both sexes, the estimated TMM relative to height squared was significantly correlated with BMI (r = 0.688, P<0.0001 for women; r = 0.696, P<0.0001 for men), but the percentage of the estimated TMM in body mass was not.

Conclusion: These results indicate that, for older Japanese women and men, BMI is a simple and convenient index for assessing total muscularity.

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日本健康老年女性和男性体重指数与肌肉的关系

背景:身体质量指数(BMI)，以身体质量与身高的平方之比(kg/m(2))表示，不仅包括脂肪质量，也包括瘦质量。目前的研究旨在阐明BMI与日本老年女性和男性的总肌肉质量(TMM)之间的关系。结果:使用b超仪器测量了346名女性(BMI为16.40 ~ 33.11 kg/m(2))和286名男性(BMI为16.86 ~ 31.18 kg/m(2))的9个部位(前臂、上臂前后、大腿前后、小腿前后、腹部和肩胛下)的肌肉厚度，年龄为60.0 ~ 79.5岁。TMM是用9个部位的肌肉厚度之和的乘积来估计的，高度是一个自变量。无论男女，估计的TMM相对于身高的平方与BMI显著相关(r = 0.688, p)。结论:这些结果表明，对于日本老年女性和男性来说，BMI是评估总肌肉量的一个简单方便的指标。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Physiological Anthropology PHYSIOLOGY-

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6.50%

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期刊介绍： Journal of Physiological Anthropology (JPA) is an open access, peer-reviewed journal that publishes research on the physiological functions of modern mankind, with an emphasis on the physical and bio-cultural effects on human adaptability to the current environment. The objective of JPA is to evaluate physiological adaptations to modern living environments, and to publish research from different scientific fields concerned with environmental impact on human life. Topic areas include, but are not limited to: environmental physiology bio-cultural environment living environment epigenetic adaptation development and growth age and sex differences nutrition and morphology physical fitness and health Journal of Physiological Anthropology is the official journal of the Japan Society of Physiological Anthropology.

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