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[{"key": "dc.contributor.author", "value": "Nahar, Nazmun", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2013-11-08T12:09:29Z", "language": "", "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2013-11-08T12:09:29Z", "language": "", "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2013", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1286976", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/42432", "language": "", "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Nahar, Nazmun 2013. Effect of ageing and physical activity level on muscle fatigue during isometric contraction of knee extensor muscles. Master\u2019s theses in Biomechanics. Department of Biology of Physical Activity, University of Jyv\u00e4skyl\u00e4, Finland. \r\n\r\nMuscle fatigue is defined as the loss of force or power producing capacity in response to contractile activity and is a fundamental characteristic of skeletal muscle. The aim of this study was to identify whether time to failure remains same or increases in elderly people compared with young people. Another aim was to identify time to failure is same or less in active old people compared with inactive old people.\r\n\r\nOne hundred and ten subjects were recruited in this study. However, complete data was obtained from ninety subjects [32 young (mean age 24\u00b12 years), 28 old active (75\u00b14 years) and 30 old inactive (75\u00b13 years)]. Experimental protocol consisted of measurements before, during and after fatigue test. The electrical stimulation was induced every 10 sec of the fatigue test. To determine the stimulation intensity, double stimulus (doublet) was applied to the relaxed muscle that produced 30 % of maximal voluntary contraction (MVC). To determine the activation level 2\u00d7MVC was performed at 90\u25e6 knee angle. During fatigue test, subjects performed sustained contraction at 50 % of the MVC as long as possible. The test was finished when the force dropped below 5 % of the target force.\r\n\r\nThe results showed that following fatigue test there was no significant difference in time to failure between old and young subjects group. Habitual physical activity did not give any different results compared with old inactive subjects group following the fatigue test. Young subjects group had 18% (p<0.001) more peripheral fatigue and 0.6% (p<0.05) more central fatigue than old subjects group.\r\nThese findings suggest that though the time to failure is similar in this study but it might be difference in mechanism of fatigue between old and young subjects.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Nazmun Nahar (nanahar) on 2013-11-08 12:09:29.462811. Form: Master's Thesis publishing form (1 author) (https://kirjasto.jyu.fi/publish-and-buy/publishing-forms/masters-thesis-publishing-form-1-author). 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No. of bitstreams: 2\r\nURN:NBN:fi:jyu-201311082552.pdf: 785483 bytes, checksum: 497070539d01ee3e115b57a5dccd8856 (MD5)\r\nlicense.html: 4319 bytes, checksum: b7bd90cab9199ffe1dc9c5b510b5a65f (MD5)\r\n Previous issue date: 2013", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto.", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "eng", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "Ageing", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "fatigue", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "isometric contraction", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "torque", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "physical activity", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "central activation.", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "The effect of ageing and physical activity level on muscle fatigue during isometric contraction of knee extensor muscles", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", 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