老年人功能性体能的相关因素。
Correlates of functional fitness in older adults.
作者信息
Konopack James F, Marquez David X, Hu Liang, Elavsky Steriani, McAuley Edward, Kramer Arthur F
机构信息
Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
出版信息
Int J Behav Med. 2008;15(4):311-8. doi: 10.1080/10705500802365557.
BACKGROUND
Self-efficacy has been shown to be both an antecedent and determinant of behaviors such as physical activity and may explain variance in the performance of functional tasks among older adults.
PURPOSE
The objectives of the current study were: first, to identify potential latent factors of functional fitness (i.e., the ability to perform activities of daily living) among older adults; and second, to determine the extent to which self-efficacy contributed to the variance in functional fitness over and above other known correlates.
METHODS
Older adults (n = 190, M age = 69.4 years) completed a functional fitness test battery, maximal graded exercise test, and demographics and self-efficacy questionnaires.
RESULTS
Structural equation modeling supported two latent factors of functional fitness representing "Flexibility" and "Physical Power." Further analyses indicated sex as the sole significant correlate of Flexibility. Greater Physical Power was associated with being male, younger, and having higher self-efficacy.
CONCLUSIONS
These results support the role of self-efficacy as a correlate of performance on functional tasks. Targeting flexibility and physical power to improve functional fitness among older men and women, respectively, warrants examination.
背景
自我效能已被证明是诸如体育活动等行为的前因和决定因素，并且可能解释老年人在执行功能性任务时表现的差异。
目的
本研究的目的是：第一，确定老年人功能性体能（即执行日常生活活动的能力）的潜在潜在因素；第二，确定自我效能在其他已知相关因素之外对功能性体能差异的贡献程度。
方法
老年人（n = 190，平均年龄 = 69.4岁）完成了一组功能性体能测试、最大分级运动测试以及人口统计学和自我效能问卷。
结果
结构方程模型支持功能性体能的两个潜在因素，分别代表“灵活性”和“身体力量”。进一步分析表明，性别是灵活性的唯一显著相关因素。更高的身体力量与男性、年轻以及更高的自我效能相关。
结论
这些结果支持自我效能作为功能性任务表现相关因素的作用。分别针对灵活性和身体力量来改善老年男性和女性的功能性体能，值得研究。
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