Relationship Between Bioelectrical Impedance Parameters and Appendicular Muscle Functional Quality in Older Adults from South-Western Poland

Malgorzata Kolodziej,1 Zofia Ignasiak,1 Tomasz Ignasiak2 1Department of Biostructure, University School of Physical Education in Wroclaw, Wrocław, Poland; 2Department of Medical and Technical Sciences, Karkonosze State University of Applied Sciences, Jelenia Góra, PolandCorrespondence: Ma...

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Autores principales:	Kolodziej M, Ignasiak Z, Ignasiak T
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2021
Materias:	appendicular skeletal muscles bioelectrical impedance analysis muscle strength muscle quality healthy ageing Geriatrics RC952-954.6
Acceso en línea:	https://doaj.org/article/1d6607bf71f8428f8333e2800db49bf0
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spelling	oai:doaj.org-article:1d6607bf71f8428f8333e2800db49bf02021-12-02T13:30:24ZRelationship Between Bioelectrical Impedance Parameters and Appendicular Muscle Functional Quality in Older Adults from South-Western Poland1178-1998https://doaj.org/article/1d6607bf71f8428f8333e2800db49bf02021-02-01T00:00:00Zhttps://www.dovepress.com/relationship-between-bioelectrical-impedance-parameters-and-appendicul-peer-reviewed-article-CIAhttps://doaj.org/toc/1178-1998Malgorzata Kolodziej,1 Zofia Ignasiak,1 Tomasz Ignasiak2 1Department of Biostructure, University School of Physical Education in Wroclaw, Wrocław, Poland; 2Department of Medical and Technical Sciences, Karkonosze State University of Applied Sciences, Jelenia Góra, PolandCorrespondence: Malgorzata KolodziejDepartment of Biostructure, University School of Physical Education in Wroclaw, Al. I. J. Paderewskiego 35, Wroclaw, 51-612, PolandTel +480713473367Email malgorzata.kolodziej@awf.wroc.plPurpose: The aim of this research was to assess the correlations between the impedance components and the appendicular skeletal muscle strength and functional quality indices in older adults. The use of the impedance parameters as potential identifiers characterizing the functional state of muscles could improve methods of monitoring “healthy ageing”.Patients and Methods: A total of 346 subjectively healthy adults aged 50– 83 years were subjected to tests. Body mass and height, hand grip strength and knee extensor strength were measured. Resistance, reactance and phase angle were measured using the bioelectrical impedance method. The relationship between the impedance parameters and the appendicular skeletal muscle strength and quality indices was evaluated using stepwise multiple regression.Results: Participants aged ≥ 65 years were found to be characterized by lower values of the impedance parameters and the appendicular skeletal muscle strength and functional quality indices than participants 10 years younger. In both groups of sexes, the relative percentage differences in limb strength between the age groups were 3– 6 times greater than the differences in appendicular skeletal muscle mass. Significant regression models for muscle strength and quality, with strong age, sex and reactance prediction and a weaker phase angle effect, were obtained.Conclusion: The impedance components explain the part of changes in muscle strength which is independent of the decline in skeletal muscle mass. Phase angle and reactance can be suitable for diagnosing and preventing dangers connected with the decline in muscle quality, but it is necessary to establish their normalized reference values for older adults.Keywords: appendicular skeletal muscles, bioelectrical impedance analysis, muscle strength, muscle quality, healthy ageingKolodziej MIgnasiak ZIgnasiak TDove Medical Pressarticleappendicular skeletal musclesbioelectrical impedance analysismuscle strengthmuscle qualityhealthy ageingGeriatricsRC952-954.6ENClinical Interventions in Aging, Vol Volume 16, Pp 245-255 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	appendicular skeletal muscles bioelectrical impedance analysis muscle strength muscle quality healthy ageing Geriatrics RC952-954.6
spellingShingle	appendicular skeletal muscles bioelectrical impedance analysis muscle strength muscle quality healthy ageing Geriatrics RC952-954.6 Kolodziej M Ignasiak Z Ignasiak T Relationship Between Bioelectrical Impedance Parameters and Appendicular Muscle Functional Quality in Older Adults from South-Western Poland
description	Malgorzata Kolodziej,1 Zofia Ignasiak,1 Tomasz Ignasiak2 1Department of Biostructure, University School of Physical Education in Wroclaw, Wrocław, Poland; 2Department of Medical and Technical Sciences, Karkonosze State University of Applied Sciences, Jelenia Góra, PolandCorrespondence: Malgorzata KolodziejDepartment of Biostructure, University School of Physical Education in Wroclaw, Al. I. J. Paderewskiego 35, Wroclaw, 51-612, PolandTel +480713473367Email malgorzata.kolodziej@awf.wroc.plPurpose: The aim of this research was to assess the correlations between the impedance components and the appendicular skeletal muscle strength and functional quality indices in older adults. The use of the impedance parameters as potential identifiers characterizing the functional state of muscles could improve methods of monitoring “healthy ageing”.Patients and Methods: A total of 346 subjectively healthy adults aged 50– 83 years were subjected to tests. Body mass and height, hand grip strength and knee extensor strength were measured. Resistance, reactance and phase angle were measured using the bioelectrical impedance method. The relationship between the impedance parameters and the appendicular skeletal muscle strength and quality indices was evaluated using stepwise multiple regression.Results: Participants aged ≥ 65 years were found to be characterized by lower values of the impedance parameters and the appendicular skeletal muscle strength and functional quality indices than participants 10 years younger. In both groups of sexes, the relative percentage differences in limb strength between the age groups were 3– 6 times greater than the differences in appendicular skeletal muscle mass. Significant regression models for muscle strength and quality, with strong age, sex and reactance prediction and a weaker phase angle effect, were obtained.Conclusion: The impedance components explain the part of changes in muscle strength which is independent of the decline in skeletal muscle mass. Phase angle and reactance can be suitable for diagnosing and preventing dangers connected with the decline in muscle quality, but it is necessary to establish their normalized reference values for older adults.Keywords: appendicular skeletal muscles, bioelectrical impedance analysis, muscle strength, muscle quality, healthy ageing
format	article
author	Kolodziej M Ignasiak Z Ignasiak T
author_facet	Kolodziej M Ignasiak Z Ignasiak T
author_sort	Kolodziej M
title	Relationship Between Bioelectrical Impedance Parameters and Appendicular Muscle Functional Quality in Older Adults from South-Western Poland
title_short	Relationship Between Bioelectrical Impedance Parameters and Appendicular Muscle Functional Quality in Older Adults from South-Western Poland
title_full	Relationship Between Bioelectrical Impedance Parameters and Appendicular Muscle Functional Quality in Older Adults from South-Western Poland
title_fullStr	Relationship Between Bioelectrical Impedance Parameters and Appendicular Muscle Functional Quality in Older Adults from South-Western Poland
title_full_unstemmed	Relationship Between Bioelectrical Impedance Parameters and Appendicular Muscle Functional Quality in Older Adults from South-Western Poland
title_sort	relationship between bioelectrical impedance parameters and appendicular muscle functional quality in older adults from south-western poland
publisher	Dove Medical Press
publishDate	2021
url	https://doaj.org/article/1d6607bf71f8428f8333e2800db49bf0
work_keys_str_mv	AT kolodziejm relationshipbetweenbioelectricalimpedanceparametersandappendicularmusclefunctionalqualityinolderadultsfromsouthwesternpoland AT ignasiakz relationshipbetweenbioelectricalimpedanceparametersandappendicularmusclefunctionalqualityinolderadultsfromsouthwesternpoland AT ignasiakt relationshipbetweenbioelectricalimpedanceparametersandappendicularmusclefunctionalqualityinolderadultsfromsouthwesternpoland
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Relationship Between Bioelectrical Impedance Parameters and Appendicular Muscle Functional Quality in Older Adults from South-Western Poland

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