RELIABILITY AND VALIDITY OF THREE STRENGTH MEASURES OBTAINED FROM COMMUNITY-DWELLING ELDERLY PERSONS

The purpose of this study was to describe the reliability and validity of 3 strength measures obtained from community-dwelling elderly individuals. The strength of 10 elders was tested initially and 6 and 12 weeks later using the MicroFET 2 hand-held dynamometer (knee extension strength), the Jamar...

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Published inJournal of strength and conditioning research Vol. 19; no. 3; pp. 717 - 720
Main Authors SCHAUBERT, KAREN L., BOHANNON, RICHARD W.
Format Journal Article
LanguageEnglish
Published United States National Strength and Conditioning Association 01.08.2005
Subjects
Aged
Aged, 80 and over
Female
Gait - physiology
Geriatric Assessment
Hand Strength - physiology
Humans
Isometric Contraction - physiology
Knee Joint - physiology
Male
Reproducibility of Results
Online AccessGet full text
ISSN1064-8011
1533-4287
DOI10.1519/r-15954.1

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Abstract The purpose of this study was to describe the reliability and validity of 3 strength measures obtained from community-dwelling elderly individuals. The strength of 10 elders was tested initially and 6 and 12 weeks later using the MicroFET 2 hand-held dynamometer (knee extension strength), the Jamar dynamometer (grip strength), and the sit-to-stand (STS) test. Mobility was tested using the timed up-and-go (TUG) test and a timed walk test. Intraclass correlation coefficients, which were used to characterize the reliability of the strength tests, ranged from 0.807 to 0.981. Pearson correlations between the lower extremity strength measures and the TUG and gait speed ranged from 0.635 to 20.943. Our examination of the 3 measures for 12 weeks extends previous evidence of the stability of these strength measures and justifies the use of hand-held dynamometry and the STS test when investigating limitations in mobility.
AbstractList The purpose of this study was to describe the reliability and validity of 3 strength measures obtained from community-dwelling elderly individuals. The strength of 10 elders was tested initially and 6 and 12 weeks later using the MicroFET 2 hand-held dynamometer (knee extension strength), the Jamar dynamometer (grip strength), and the sit-to-stand (STS) test. Mobility was tested using the timed up-and-go (TUG) test and a timed walk test. Intraclass correlation coefficients, which were used to characterize the reliability of the strength tests, ranged from 0.807 to 0.981. Pearson correlations between the lower extremity strength measures and the TUG and gait speed ranged from 0.635 to -0.943. Our examination of the 3 measures for 12 weeks extends previous evidence of the stability of these strength measures and justifies the use of hand-held dynamometry and the STS test when investigating limitations in mobility.The purpose of this study was to describe the reliability and validity of 3 strength measures obtained from community-dwelling elderly individuals. The strength of 10 elders was tested initially and 6 and 12 weeks later using the MicroFET 2 hand-held dynamometer (knee extension strength), the Jamar dynamometer (grip strength), and the sit-to-stand (STS) test. Mobility was tested using the timed up-and-go (TUG) test and a timed walk test. Intraclass correlation coefficients, which were used to characterize the reliability of the strength tests, ranged from 0.807 to 0.981. Pearson correlations between the lower extremity strength measures and the TUG and gait speed ranged from 0.635 to -0.943. Our examination of the 3 measures for 12 weeks extends previous evidence of the stability of these strength measures and justifies the use of hand-held dynamometry and the STS test when investigating limitations in mobility.
The purpose of this study was to describe the reliability and validity of 3 strength measures obtained from community-dwelling elderly individuals. The strength of 10 elders was tested initially and 6 and 12 weeks later using the MicroFET 2 hand-held dynamometer (knee extension strength), the Jamar dynamometer (grip strength), and the sit-to-stand (STS) test. Mobility was tested using the timed up-and-go (TUG) test and a timed walk test. Intraclass correlation coefficients, which were used to characterize the reliability of the strength tests, ranged from 0.807 to 0.981. Pearson correlations between the lower extremity strength measures and the TUG and gait speed ranged from 0.635 to -0.943. Our examination of the 3 measures for 12 weeks extends previous evidence of the stability of these strength measures and justifies the use of hand-held dynamometry and the STS test when investigating limitations in mobility.
The purpose of this study was to describe the reliability and validity of 3 strength measures obtained from community-dwelling elderly individuals. The strength of 10 elders was tested initially and 6 and 12 weeks later using the MicroFET 2 hand-held dynamometer (knee extension strength), the Jamar dynamometer (grip strength), and the sit-to-stand (STS) test. Mobility was tested using the timed up-and-go (TUG) test and a timed walk test. Intraclass correlation coefficients, which were used to characterize the reliability of the strength tests, ranged from 0.807 to 0.981. Pearson correlations between the lower extremity strength measures and the TUG and gait speed ranged from 0.635 to 20.943. Our examination of the 3 measures for 12 weeks extends previous evidence of the stability of these strength measures and justifies the use of hand-held dynamometry and the STS test when investigating limitations in mobility.
Author SCHAUBERT, KAREN L.
BOHANNON, RICHARD W.
AuthorAffiliation School of Allied Health, University of Connecticut, Storrs, Connecticut 06269
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SubjectTerms Aged
Aged, 80 and over
Female
Gait - physiology
Geriatric Assessment
Hand Strength - physiology
Humans
Isometric Contraction - physiology
Knee Joint - physiology
Male
Reproducibility of Results
Title RELIABILITY AND VALIDITY OF THREE STRENGTH MEASURES OBTAINED FROM COMMUNITY-DWELLING ELDERLY PERSONS
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