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Developing an assessment based on physical fitness age to evaluate motor function in frail and healthy elderly women

Authors Nakagaichi M, Anan Y, Hikiji Y, Uratani S

Received 22 July 2017

Accepted for publication 30 November 2017

Published 26 January 2018 Volume 2018:13 Pages 179—184

DOI https://doi.org/10.2147/CIA.S146996

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 2

Editor who approved publication: Dr Richard Walker


Masaki Nakagaichi,1 Yuya Anan,2 Yuto Hikiji,3 Sou Uratani4

1Sports and Life Sciences, National Institute of Fitness and Sports in KANOYA, Kanoya, Japan; 2Department of Nutritional Health, Kwassui Women’s University, Nagasaki, Japan; 3Department of Rehabilitation, Nagasaki Yuai Hospital, Kyoseikai Medical Corporation, Nagasaki, Japan; 4Nonprofit Organization Nagasaki Wellness Sports Research Center, Nagasaki, Japan

Objectives: The purpose of this study was to identify a method for assessing physical fitness age that is easy to use with both frail and healthy elderly women and to examine its validity.
Methods: Principal component analysis was used to develop a formula of physical fitness age from four motor function variables. The subjects comprised 688 (75.7±6.0 years) elderly women, in order to develop a physical fitness scale. The formula for calculating physical fitness age was expressed as physical fitness age =-0.419× grip strength -0.096× balancing on one leg with eyes open -0.737×30 s chair stand +0.503× figure-of-8 walking test +0.47× chronological age +52.68.
Results: Measures obtained from subjects in the frail elderly (n=11, 73.0±2.3 years) and exercise (n=10, 70.8±3.1 years) groups were used to examine the validity of the assessment. The mean physical fitness age of the frail elderly group (79.0±3.7 years) was significantly higher than its mean chronological age (73.0±2.3 years, p<0.05). The mean physical fitness age of the exercise group (65.6±3.1 years) was significantly lower than the chronological age (70.8±3.1 years, p<0.05).
Conclusion: These findings confirm that physical fitness age scores are applicable to frail and healthy elderly women. Physical fitness age is a valid measure of motor function in elderly women.

Keywords: physical fitness age, motor function, frail and health elderly women, aging, care prevention
 

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