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The automatic assessment of strength and mobility in older adults: A test-retest reliability study

dc.contributor.authorCollado-Mateo D.
dc.contributor.authorMadeira P.
dc.contributor.authorDominguez-Muñoz F.J.
dc.contributor.authorVillafaina S.
dc.contributor.authorTomas-Carus P.
dc.contributor.authorParraca J.A.
dc.date.accessioned2020-09-02T22:14:59Z
dc.date.available2020-09-02T22:14:59Z
dc.date.issued2019
dc.identifier10.3390/medicina55060270
dc.identifier.citation55, 6, -
dc.identifier.issn1010660X
dc.identifier.urihttps://hdl.handle.net/20.500.12728/4058
dc.descriptionBackground: Simple field tests such as the Timed Up and Go test (TUG) and 30 s Chair Stand test are commonly used to evaluate physical function in the elderly, providing crude outcome measures. Using an automatic chronometer, it is possible to obtain additional kinematic parameters that may lead to obtaining extra information and drawing further conclusions. However, there is a lack of studies that evaluate the test-retest reliability of these parameters, which may help to judge and interpret changes caused by an intervention or differences between populations. Thus, the aim of this study was to evaluate the test-retest reliability of the Timed Up and Go test (TUG) and 30 s Chair Stand test in healthy older adults. Methods: A total of 99 healthy older adults participated in this cross-sectional study. The TUG and the 30 s Chair Stand test were performed five times and twice, respectively, using an automatic chronometer. The sit-to-stand-to-sit cycle from the 30 s Chair Stand test was divided into two phases. Results: Overall, reliability for the 30 s Chair Stand test was good for almost each variable (intraclass correlation coefficient (ICC) >0.70). Furthermore, the use of an automatic chronometer improved the reliability for the TUG (ICC >0.86 for a manual chronometer and ICC >0.88 for an automatic chronometer). Conclusions: The TUG and the 30 s Chair Stand test are reliable in older adults. The use of an automatic chronometer in the TUG is strongly recommended as it increased the reliability of the test. This device enables researchers to obtain relevant and reliable data from the 30 s Chair Stand test, such as the duration of the sit-to-stand-to-sit cycles and phases. © 2019 by the authors. Licensee MDPI, Basel, Switzerland.
dc.language.isoen
dc.publisherMDPI AG
dc.subjectIntraclass correlation coefficient
dc.subjectOlder adults
dc.subjectPhysical fitness tests
dc.subjectReliability analysis
dc.subjectStandard error of measurement
dc.subjectaged
dc.subjectcross-sectional study
dc.subjectdevices
dc.subjectexercise test
dc.subjectfemale
dc.subjectgeriatrics
dc.subjecthuman
dc.subjectmale
dc.subjectmethodology
dc.subjectmuscle strength
dc.subjectnonparametric test
dc.subjectphysiology
dc.subjectprocedures
dc.subjectreproducibility
dc.subjecttime factor
dc.subjectvery elderly
dc.subjectwalking difficulty
dc.subjectAged
dc.subjectAged, 80 and over
dc.subjectCross-Sectional Studies
dc.subjectExercise Test
dc.subjectFemale
dc.subjectGeriatrics
dc.subjectHumans
dc.subjectMale
dc.subjectMobility Limitation
dc.subjectMuscle Strength
dc.subjectReproducibility of Results
dc.subjectResearch Design
dc.subjectStatistics, Nonparametric
dc.subjectTime Factors
dc.titleThe automatic assessment of strength and mobility in older adults: A test-retest reliability study
dc.typeArticle


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