| fullrecord |
[{"key": "dc.contributor.advisor", "value": "Mero, Antti", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Pullinen, Teemu", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "K\u00f6ykk\u00e4, Miika", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Vohlakari, Krista", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2021-02-18T09:51:26Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2021-02-18T09:51:26Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2020", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/74292", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Ampumahiihto vaatii sek\u00e4 hyv\u00e4\u00e4 ammunta- ett\u00e4 hiihtotaitoa. Kilpailuissa on pystytt\u00e4v\u00e4 suoriutumaan hiihdon lis\u00e4ksi my\u00f6s ammunnasta mahdollisimman nopeasti, eik\u00e4 ohilaukauksia k\u00e4rsi keskim\u00e4\u00e4rin tulla yht\u00e4 enemp\u00e4\u00e4, mik\u00e4li pyrit\u00e4\u00e4n kamppailemaan sijoittumisesta k\u00e4rkikymmenikk\u00f6\u00f6n. Ampumasuorituksen t\u00e4rkeit\u00e4 osa-alueita ovat aseen ja asennon hallinta, t\u00e4ht\u00e4ys sek\u00e4 liipaisu. N\u00e4it\u00e4 voidaan tutkia mittaamalla t\u00e4ht\u00e4yspisteen liikett\u00e4 optoelektronisella j\u00e4rjestelm\u00e4ll\u00e4, kehon painekeskipisteen liikett\u00e4 voimalevyjen avulla sek\u00e4 liipaisupaineen vaihtelua liipaisimeen kiinnitett\u00e4v\u00e4ll\u00e4 paineanturilla.\nT\u00e4m\u00e4n ty\u00f6n tarkoituksena oli vertailla yksitt\u00e4in ammuttuja laukauksia sek\u00e4 sarjojen ensimm\u00e4isi\u00e4 laukauksia osumatarkkuuden ja ampumateknisten muuttujien perusteella. Tutkimukseen osallistui 26 ampumahiiht\u00e4j\u00e4\u00e4, jotka olivat i\u00e4lt\u00e4\u00e4n 16\u201329-vuotiaita. Naisten VO2max oli keskim\u00e4\u00e4rin 59 ml/kg/min ja miesten 70 ml/kg/min. Jokaiselle koehenkil\u00f6lle laskettiin muuttujien keskiarvot sek\u00e4 yksitt\u00e4in ammutuista laukauksista ett\u00e4 sarjojen ensimm\u00e4isist\u00e4 laukauksista. Normaalijakautuneiden muuttujien muutoksia laukausten v\u00e4lill\u00e4 tarkasteltiin parittaisella t-testill\u00e4, ja ei-normaalijakautuneiden muutoksia non-parametrisell\u00e4 Wilcoxonin merkittyjen sijalukujen testill\u00e4.\nOsumatarkkuutta tarkasteltiin osumapisteen et\u00e4isyyten\u00e4 taulun keskipisteest\u00e4. Kun tarkasteltiin koehenkil\u00f6iden ampumien laukausten keskiarvoja, jokainen koehenkil\u00f6 osui tauluun sek\u00e4 makuu- ett\u00e4 pystyammunnassa, sek\u00e4 yksitt\u00e4in ammuttavissa ett\u00e4 sarjojen ensimm\u00e4isiss\u00e4 laukauksissa. Makuuammunnassa osumapisteen et\u00e4isyys taulun keskipisteest\u00e4 (2 mm, p < 0,01), t\u00e4ht\u00e4yspisteen keskim\u00e4\u00e4r\u00e4inen nopeus (8 mm/s, p < 0,05) sek\u00e4 keskim\u00e4\u00e4r\u00e4isen t\u00e4ht\u00e4yspisteen et\u00e4isyys taulun keskipisteest\u00e4 (1 mm, p < 0,05) olivat tilastollisesti merkitsev\u00e4sti suurempia sarjojen ensimm\u00e4isiss\u00e4 laukauksissa kuin yksitt\u00e4in ammutuissa laukauksissa. My\u00f6s pystyammunnassa keskim\u00e4\u00e4r\u00e4isen t\u00e4ht\u00e4yspisteen et\u00e4isyys taulun keskipisteest\u00e4 oli suurempi sarjojen ensimm\u00e4isiss\u00e4 laukauksissa kuin yksitt\u00e4in ammutuissa laukauksissa (6 mm, p < 0,01). Pitoaika taulun keskipisteen sek\u00e4 keskim\u00e4\u00e4r\u00e4isen t\u00e4ht\u00e4yspisteen ymp\u00e4rill\u00e4 laukausta edelt\u00e4v\u00e4n 0,6 sekunnin aikana oli lyhyempi sarjojen ensimm\u00e4isiss\u00e4 laukauksissa kuin yksitt\u00e4in ammutuissa laukauksissa (6\u20139 prosenttiyksikk\u00f6\u00e4, p < 0,01\u20130,05).\nYksitt\u00e4in ammuttujen laukausten ja sarjojen ensimm\u00e4isten laukausten ampumasuoritusten v\u00e4lilt\u00e4 l\u00f6ydettiin eroja. Urheilijoiden k\u00e4ytt\u00e4m\u00e4t ampumatavat vaihtelivat yksitt\u00e4isten ja sarjojen ensimm\u00e4isten laukausten v\u00e4lill\u00e4 joko tiedostetusti tai tiedostamattomasti. Urheilijat saattoivat ampua viiden laukauksen sarjat itselleen kilpailunomaisemmalla tavalla kuin yksitt\u00e4iset laukaukset. Erilaiset ampumasuoritukset voivat kuitenkin johtaa yht\u00e4 hyviin lopputuloksiin. Mik\u00e4li urheilijan perusampumataidoissa on parannettavaa, harjoittelussa voi olla hy\u00f6dyllist\u00e4 jakaa ampumasuoritus osiin ja ampua yksitt\u00e4isi\u00e4 laukauksia tai keskitty\u00e4 tiettyyn ampumatekniseen osa-alueeseen. Sarja-ammuntaa ja kilpailunomaista harjoittelua ei kuitenkaan tule unohtaa perusammuntaharjoittelusta huolimatta.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Miia Hakanen (mihakane@jyu.fi) on 2021-02-18T09:51:26Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2021-02-18T09:51:26Z (GMT). No. of bitstreams: 0\n Previous issue date: 2020", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "56", "language": "", "element": "format", "qualifier": "extent", "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": "ampumatekniikka", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "t\u00e4ht\u00e4ys", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "liipaisu", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Yksitt\u00e4in ammuttujen laukausten ja ampumasarjojen ensimm\u00e4isten laukausten vertailu ampumahiiht\u00e4jill\u00e4", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "bachelor thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-202102181699", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Bachelor's thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Kandidaatinty\u00f6", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Liikuntatieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sport and Health Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Liikunta- ja terveystieteet", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Sport and Health Sciences", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Biomekaniikka", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Biomechanics", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "jyx.includeIn.OAI", "value": "true", "language": "", "element": "includeIn", "qualifier": "OAI", "schema": "jyx"}, {"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_7a1f", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "bachelorThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "5012", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "biomekaniikka", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "tasapaino", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "ammunta", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "ampumahiiht\u00e4j\u00e4t", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "ampumahiihto", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}]
|