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Skeletal muscle fatigue and endurance in young and old men and women
Department of Physical Medicine and Rehabilitation Umeå.
Department of Rehabilitation, Lund University Hospital, Höör, Sweden.ORCID iD: 0000-0001-5294-3332
Faculty of Health Sciences, Department of Rehabilitation Medicine Linköping, Sweden.
Department of Mathematical Sciences, University of Liverpool, Liverpool, England.
1997 (English)In: The journals of gerontology. Series A, Biological sciences and medical sciences, ISSN 1079-5006, E-ISSN 1758-535X, Vol. 52A, no 1, p. B59-B66Article in journal (Refereed) Published
Abstract [en]

The effects of increasing age on skeletal muscle fatigue and endurance were assessed in 22 healthy young (14 men and 8 women; mean age, 28 +/- 6 years) and 16 healthy old (8 men and 8 women; mean age, 73 +/- 3 years) individuals. All subjects performed 100 repeated maximum dynamic knee extensions at 90 degrees.s-1 (1.57 rad.s-1) using an isokinetic dynamometer (Cybex II). Peak torque was recorded during every contraction, and for each individual the maximal voluntary contraction (MVC), the fatigue rate, the endurance level, and the relative reduction in muscle force were determined. MVC and endurance level were significantly lower in old men and women, but there was no discernible difference in relative muscle force reduction and fatigue rate between young and old individuals. We conclude that thigh muscles of older individuals are weaker than those of younger individuals, but relative to their strength, older individuals have similar properties as younger individuals with respect to muscle fatigue and endurance.

Place, publisher, year, edition, pages
1997. Vol. 52A, no 1, p. B59-B66
National Category
Occupational Therapy
Research subject
Occupational therapy
Identifiers
URN: urn:nbn:se:ltu:diva-9346DOI: 10.1093/gerona/52A.1.B59Local ID: 7f3101d0-2e03-11dc-b6d3-000ea68e967bOAI: oai:DiVA.org:ltu-9346DiVA, id: diva2:982284
Note

Upprättat; 1997; 20070709 (lotfra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Lexell, Jan

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