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[{"key": "dc.contributor.advisor", "value": "H\u00e4kkinen, Keijo", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Kivel\u00e4, Antti", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2015-01-07T12:46:03Z", "language": "", "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2015-01-07T12:46:03Z", "language": "", "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2014", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1465081", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/45013", "language": "", "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "T\u00e4m\u00e4n tutkimuksen tarkoituksena oli selvitt\u00e4\u00e4 hermolihasj\u00e4rjestelm\u00e4n v\u00e4symisreaktioita, sykett\u00e4 ja sykev\u00e4livaihtelua (HRV) jalkapr\u00e4ssill\u00e4 tehtyjen eri voimaharjoitusten (hypertrofinen=HYP-, maksimi=MAX- ja nopeusvoima=NOP -kuormitus) yhteydess\u00e4. Koehenkil\u00f6in\u00e4 oli 10 liikunnanopiskelijamiest\u00e4. Hermolihasj\u00e4rjestelm\u00e4n suorituskyvyn mittareina toimivat isometrisell\u00e4 alaraajojen jalkapr\u00e4ssill\u00e4 (PRE, MID, POST, POST60min, POST1D, POST2D) mitatut maksimivoima, keskivoima (0\u2013100 ms ja 0\u2013500 ms) ja maxRFD 10 ms. Isometrisell\u00e4 yhden raajan polven ojennuksella (PRE, POST, POST1D, POST2D) mitattiin maksimivoima, voluntaariaktivaatio (lihaksen s\u00e4hk\u00f6stimulaatio) ja EMG (VM+VL). Sykett\u00e4 mitattiin akuutin kuormituksen ja palautumisen aikana. Sykev\u00e4livaihtelumittaus suoritettiin jokaista kuormitusta edelt\u00e4v\u00e4n\u00e4 (PRE) ja seuraavana (POST) y\u00f6n\u00e4.\r\n\r\nHermolihasj\u00e4rjestelm\u00e4n muuttujien osalta maksimivoima isometrisess\u00e4 jalkapr\u00e4ssiss\u00e4 laski eniten (POST: p \u2264 0.001) HYP- (-34.0 %) ja MAX -kuormituksissa (-19.2 %). Kaikissa kuormituksissa (HYP: -38.9 %, MAX: -27.9 %, NOP: -16.3 %) keskivoima (0\u2013100 ms) laski merkitsev\u00e4sti (POST: p \u2264 0.01). POST1D (-8.1 %) ja POST2D (-7.0 %) isometrinen maksimivoima oli edelleen PRE -tasoa alempana (p \u2264 0.05) HYP -kuormituksessa. Isometrisess\u00e4 polven ojennuksessa maksimivoima laski (HYP: -28.3 %, MAX: -23.4 %, NOP: -12.7 %) merkitsev\u00e4sti kaikissa kuormituksissa (POST: p \u2264 0.05) ja maksimiEMG MAX -kuormituksessa (POST: -13.1 %, p \u2264 0.05). HYP -kuormitus aiheutti voimakkaimman sykkeen nousun yl\u00f6sp\u00e4in niin kuormitussarjoissa kuin sarjapalautuksissa. HYP -kuormituksessa syke palautui hitaimmin ja seuraava sarja alkoi korkeammalla sykkeell\u00e4 kuin MAX- ja NOP -kuormituksissa. MAX- ja NOP -kuormituksissa syke palasi sarjaa edelt\u00e4neelle tasolle. Syke-ero (sarjojen keskisykkeiden keskiarvot) sarjan alusta loppuun oli 46 l/min HYP-, 22 l/min MAX ja 49 l/min NOP -kuormituksessa. Sykev\u00e4livaihteludatan v\u00e4h\u00e4isyydest\u00e4 (n=4) johtuen siit\u00e4 ei tehty tilastollista analyysia, mutta tarkasteltiin kahta tapausta. Heill\u00e4 HRV -muuttujissa tapahtui selkeit\u00e4 muutoksia (RMSSD laski 25 % ja HFP 40\u201350 % MAX- ja NOP -kuormituksien j\u00e4lkeen).\r\n\r\nHermolihasj\u00e4rjestelm\u00e4n v\u00e4syminen oli suurinta HYP- ja pienint\u00e4 NOP -kuormituksessa. Isometrinen maksimivoima jalkapr\u00e4ssiss\u00e4 palautui heikoiten HYP- kuormituksessa. Sykkeell\u00e4 (ja HRVll\u00e4) voidaan arvioida kuormituksen rasittavuutta ja siit\u00e4 palautumista. N\u00e4m\u00e4 kaikki kannattaa huomioida yksil\u00f6llisess\u00e4 harjoittelun ohjelmoinnissa ja seurannassa.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Antti Kivel\u00e4 (antjuhki) on 2015-01-07 12:46:02.276471. Form: Pro gradu -lomake (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake). JyX data: [jyx_publishing-allowed (fi) =True]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija@noreply.fi) on 2015-01-07T12:46:02Z\r\nNo. of bitstreams: 2\r\nURN:NBN:fi:jyu-201501071011.pdf: 929129 bytes, checksum: 0694d78242b2e2a6da8f90699cac0201 (MD5)\r\nlicense.html: 4835 bytes, checksum: 756fbd74cb2e3a0288b3fce930739ff2 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2015-01-07T12:46:03Z (GMT). No. of bitstreams: 2\r\nURN:NBN:fi:jyu-201501071011.pdf: 929129 bytes, checksum: 0694d78242b2e2a6da8f90699cac0201 (MD5)\r\nlicense.html: 4835 bytes, checksum: 756fbd74cb2e3a0288b3fce930739ff2 (MD5)\r\n Previous issue date: 2014", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (60 sivua)", "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": "fin", "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": "hermolihasj\u00e4rjestelm\u00e4", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, 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of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Valmennus- ja testausoppi", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Science in Sport Coaching and Fitness Testing", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.date.updated", "value": "2015-01-07T12:46:03Z", "language": "", "element": "date", "qualifier": "updated", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, 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