Association Between Muscle Mass, Leg Strength, and Fat Mass With Physical Function in Older Adults: Influence of Age and Sex

被引：84

作者：

Bouchard, Danielle R. ^{[1
]}

Heroux, Mariane ^{[1
]}

Janssen, Ian ^{[1
,2
]}

机构：

[1] Queens Univ, Sch Kinesiol & Hlth Studies, Kingston, ON, Canada

[2] Queens Univ, Dept Community Hlth Epidemiol, Kingston, ON, Canada

来源：

JOURNAL OF AGING AND HEALTH | 2011年 / 23卷 / 02期

关键词：

body composition; fat-free mass; physical performance; reduced rank regression; LOWER-EXTREMITY PERFORMANCE; DIETARY PATTERNS; BODY-COMPOSITION; SARCOPENIA; WOMEN; MEN; MORTALITY; DETERMINANT; PREDICTORS; DISABILITY;

D O I：

10.1177/0898264310388562

中图分类号：

R4 [临床医学]; R592 [老年病学];

学科分类号：

1002 ; 100203 ; 100602 ;

摘要：

Objective: The purposes of this study were to determine the relationship between muscle mass, muscle strength, muscle quality, and fat mass with a composite measure of physical function in older adults, and to determine whether these relations differed by age and sex. Method: Participants consisted of 1280 adults aged >= 55 yr from the NHANES study. Reduced rank regression was used to identify patterns of muscle mass, muscle strength, muscle quality, and fat mass related to physical function. Results: A single relevant pattern emerged that included leg strength and fat mass as predictors of the 7 physical function variables. The leg strength loading was significantly greater than the fat mass loading in men and women aged 55-64 and >= 75, and differed between sexes. Conclusion: Leg strength and fat mass best predict physical function in older adults and the relative importance varies according to age and sex.

引用

页码：313 / 328

页数：16

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