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[{"key": "dc.contributor.advisor", "value": "Virmavirta, Mikko", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Leppilahti, Olli-Pekka", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2020-02-28T06:16:57Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2020-02-28T06:16:57Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2019", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/67992", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Eri lajien heittotekniikoita on tutkittu kattavasti, mutta rystypuolelta tapahtuvaa heittoa tiett\u00e4v\u00e4sti vain muutamassa opinn\u00e4ytety\u00f6ss\u00e4 eik\u00e4 ensimm\u00e4ist\u00e4k\u00e4\u00e4n frisbeegolfissa. Rystyheiton tekniikan tutkimiselle on selke\u00e4 tarve paitsi vammojen, my\u00f6s suorituskyvyn n\u00e4k\u00f6kulmasta. T\u00e4m\u00e4n ty\u00f6n tarkoituksena oli tehd\u00e4 tiett\u00e4v\u00e4sti ensimm\u00e4inen 3D-liikeanalyysi frisbeegolfin rystyheitosta sek\u00e4 selvitt\u00e4\u00e4, mitk\u00e4 kinemaattiset tekij\u00e4t selitt\u00e4isiv\u00e4t suurempaa kiekon l\u00e4ht\u00f6nopeutta eri tasoisilla heitt\u00e4jill\u00e4. Tutkimukseen osallistui kahdeksan kansallisen tason kilpapelaajaa, jotka kykeniv\u00e4t heitt\u00e4m\u00e4\u00e4n v\u00e4hint\u00e4\u00e4n 120 m pitki\u00e4 heittoja toistettavasti, jota pidettiin kriteerin\u00e4 v\u00e4hint\u00e4\u00e4nkin hyv\u00e4lle heittotekniikalle. Mittausv\u00e4lineen\u00e4 k\u00e4ytettiin Viconin 10-kameran systeemi\u00e4, ker\u00e4ystaajuuden ollessa 400 Hz. Jokaiselta heitt\u00e4j\u00e4lt\u00e4 kuvattiin v\u00e4hint\u00e4\u00e4n viisi onnistunutta suoritusta, joista analyysiin valittiin yksi suoritus seuraavien kriteerien mukaisesti: l\u00e4ht\u00f6nopeus oli suurin, kiekko osui ennalta m\u00e4\u00e4r\u00e4ttyyn maaliin, suoritus oli PDGA:n s\u00e4\u00e4nt\u00f6jen mukainen, suorituksessa tapahtui mahdollisimman v\u00e4h\u00e4n markkereiden katoamista ja heitt\u00e4j\u00e4 itse koki heiton onnistuneen. Tutkimusjoukon j\u00e4\u00e4ty\u00e4 pieneksi (n=8), p\u00e4\u00e4dyttiin suurimman l\u00e4ht\u00f6nopeuden heitt\u00e4nytt\u00e4 pelaajaa (T1) vertaamaan muuhun ryhm\u00e4\u00e4n (R) yhden otoksen t-testill\u00e4, jolloin T1:n heittosuoritusta pidettiin siis viitearvona rystypuolen heittotekniikalle. Kiekon l\u00e4ht\u00f6nopeus erosi merkitsev\u00e4sti tutkittavan T1:n ja ryhm\u00e4n R v\u00e4lill\u00e4 (p=0.001), jonka lis\u00e4ksi tutkittavan T1 rintakeh\u00e4n ja selk\u00e4rangan maksimaaliset kulmanopeudet (\uf077max) sek\u00e4 heittok\u00e4den olkap\u00e4\u00e4n ulkokierron \uf077max olivat merkitsev\u00e4sti suurempia kuin ryhm\u00e4ll\u00e4 R. (p=0.001, p<0.001, p<0.05, t\u00e4ss\u00e4 j\u00e4rjestyksess\u00e4). Lis\u00e4ksi n\u00e4ist\u00e4 muuttujista rintakeh\u00e4n rotaation \uf077max:lla ja olkap\u00e4\u00e4n ulkokierron \uf077max:lla oli suora positiivinen yhteys kiekon l\u00e4ht\u00f6nopeuteen, mutta selk\u00e4rangan rotaation \uf077max:lla sen sijaan ei. N\u00e4iden lis\u00e4ksi havaittiin useita muita tilastollisesti eritt\u00e4in merkitse-vi\u00e4 yhteyksi\u00e4, mutta frisbeegolfin rystyheiton l\u00e4ht\u00f6nopeuden kannalta keskivartalon toiminta vaikuttaisi korostuvan jopa heittok\u00e4tt\u00e4kin enemm\u00e4n. Frisbeegolfin rystyheitto noudattaa p\u00e4\u00e4piirteitt\u00e4in my\u00f6s kineettisen ketjun periaatteita, kun maksimaaliset kulmanopeudet esiintyiv\u00e4t kuta kuinkin proksimaalis-distaalissa j\u00e4rjestyksess\u00e4, distaalimman nivelen kulmanopeuden kasvaessa aina proksimaalisempaa nivelt\u00e4 suuremmaksi, olkap\u00e4\u00e4n ulkokiertoa lukuun ottamatta. Rystypuolen heittotekniikan voidaan siis todeta olevan eritt\u00e4in monimutkainen koko kehon liike, jossa ainakin kansallisen tason kilpapelaajilla on my\u00f6s paljon yksil\u00f6llist\u00e4 vaihtelua.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2020-02-28T06:16:57Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2020-02-28T06:16:57Z (GMT). No. of bitstreams: 0\n Previous issue date: 2019", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "67", "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": "rystyheitto", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "kulmanopeus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "liikelaajuus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "proksimaalis-distaali j\u00e4rjestys", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Frisbeegolfin rystyheiton kinemaattinen analyysi", "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-202002282219", "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": "liikeanalyysi", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "frisbeegolf", "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"}]
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