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[{"key": "dc.contributor.advisor", "value": "Rantanen, Taina", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Viljanen, Anne", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Yl\u00f6nen, Anna-Maria", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2016-08-27T14:45:50Z", "language": "", "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2016-08-27T14:45:50Z", "language": "", "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2016", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1572741", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/51092", "language": "", "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Epidemiologisissa tutkimuksissa k\u00e4den puristusvoima on validi lihasvoiman mittari ja ennustaa i\u00e4kk\u00e4iden ihmisten toimintakyky\u00e4. Heikompi puristusvoima on i\u00e4kk\u00e4ill\u00e4 yhteydess\u00e4 heikompaan toimintakykyyn. My\u00f6s n\u00e4\u00f6ntarkkuuden aleneminen voi heikent\u00e4\u00e4 toimintakyky\u00e4. N\u00e4\u00f6ntarkkuuden ja k\u00e4den puristusvoiman yhteydest\u00e4 l\u00f6ytyi vain v\u00e4h\u00e4n tutkimuksia. Heikommin n\u00e4kevien v\u00e4h\u00e4isempi fyysinen aktiviisuus saattaa selitt\u00e4\u00e4 yhteytt\u00e4 n\u00e4\u00f6ntarkkuuden ja puristusvoiman v\u00e4lill\u00e4. Tutkimuksen tarkoituksena oli selvitt\u00e4\u00e4, onko n\u00e4\u00f6ntarkkuuden ja k\u00e4den puristusvoiman v\u00e4lill\u00e4 yhteytt\u00e4 i\u00e4kk\u00e4ill\u00e4 naisilla, ja v\u00e4litt\u00e4\u00e4k\u00f6 fyysinen aktiivisuus yhteytt\u00e4. Lis\u00e4ksi tutkittiin, onko puristusvoimassa kolmen vuoden seurannan aikana eroja normaalisti n\u00e4kevien ja heikommin n\u00e4kevien v\u00e4lill\u00e4.\r\nTutkimus on osa Finnish Twin Study on Aging (FITSA) -tutkimusta, joka tutkii geneettisten ja ymp\u00e4rist\u00f6tekij\u00f6iden merkityst\u00e4 toiminnanvajauksien synnyss\u00e4. Tutkimukseen osallistui 434 hyv\u00e4kuntoista 63\u201376 vuotiasta naiskaksosta. Puristusvoimaa mitattiin dynamometrilla tutkimuksen alussa vuosina 2000\u20132001 sek\u00e4 seurantakerralla 2003\u20132004. Mittaus suoritettiin 3\u20135 kertaa, joista ilmoitettiin korkein tulos. N\u00e4\u00f6ntarkkuutta mitattiin tutkimuslaboratoriossa 5 m et\u00e4isyydelt\u00e4 erikseen oikean ja vasemman silm\u00e4n osalta. T\u00e4ss\u00e4 tutkimuksessa k\u00e4ytettiin parasta mitattua n\u00e4\u00f6ntarkkuutta. Aineiston analyysimenetelmin\u00e4 k\u00e4ytettiin Spearmanin j\u00e4rjestyskorrelaatiota, yleist\u00e4 lineaarista mallia sek\u00e4 toistomittausten varianssianalyysi\u00e4.\r\nK\u00e4den puristusvoima oli heikompi (179.3 N vs. 198.4 N, p<0.001) niill\u00e4, joilla n\u00e4\u00f6ntarkkuus oli matalampi (visus<1.0). My\u00f6s fyysinen aktiivisuus oli heikommin n\u00e4kevill\u00e4 v\u00e4h\u00e4isemp\u00e4\u00e4. Fyysisen aktiivisuuden vakiointi mallissa ei h\u00e4vitt\u00e4nyt yhteytt\u00e4, mutta heikensi sit\u00e4. N\u00e4in ollen fyysinen aktiivisuus voi selitt\u00e4\u00e4 osan lihasvoimaeroista.Puristusvoima ei muuttunut seuranta-aikana kummassakaan ryhm\u00e4ss\u00e4, mutta puristusvoima s\u00e4ilyi seurantakerralla heikompana niill\u00e4, joiden n\u00e4\u00f6ntarkkuus oli alentunut. \r\nFyysinen aktiivisuus voi osittain v\u00e4litt\u00e4\u00e4 n\u00e4\u00f6ntarkkuuden ja k\u00e4den puristusvoiman yhteytt\u00e4 i\u00e4kk\u00e4ill\u00e4 naisilla. Lis\u00e4tutkimusta tarvitaan selvitt\u00e4m\u00e4\u00e4n, mit\u00e4 muita tekij\u00f6it\u00e4 taustalla on, ja esiintyyk\u00f6 ilmi\u00f6t\u00e4 my\u00f6s miehill\u00e4 ja vanhemmissa, huonokuntoisemmissa ryhmiss\u00e4.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Hand grip strength is a valid indicator for muscle strength in epidemiologic studies and can predict functional changes in older population. Lower hand grip strength is associated with greater functional decline and limitations. In addition to hand grip strength, decline in visual acuity is also a risk for functional decline. Older people with visual impairment are physically less active than their peers with normal vision, which may explain the possible connection between vision and hand grip strength. The purpose of the study was to find out if visual acuity is associated with hand grip strength in elderly women and whether physical activity can explain a part of the relationship. In addition it was investigated whether the change of hand grip strength during the three year follow-up varies between groups. \r\nThe study is based on the data collected in the Finnish Twin Study on Aging (FITSA), a study investigating genetic and environmental factors in the development of disablements in old age. At baseline 434 fairly healthy female twins between 63 and 76 years of age took part in the study. Hand grip strength was measured at baseline (2000\u20132001) and in follow-up three years later (2003\u20132004). The highest of 3\u20135 measurements was used as a result of hand grip strength. Visual acuity was measured in a research laboratory individually for both eyes from a distance of 5 meters. Best measured visual acuity was used in this study. The data was analyzed using Spearman\u2019s correlation, general linear model (GLM) and multiple measurements analysis of variance (ANOVA). \r\nHand grip strength was lower for those (179.3 N vs. 198.4 N, p<0.001) who had lower vision (VA<1.0). Women with lower vision were also less physically active. After adjusting for age, weight, height and physical activity the relation remained statistically significant but the differences in grip strength between the groups decreased. Grip strength did not change during the three-year follow-up in either of the groups. However, grip strength remained lower for those whose visual acuity was lower. \r\nThe results of this study suggest that physical activity can partially explain the relationship between visual acuity and hand grip strength in older women. Further research is needed to explain other factors behind the relation and whether it is also present in both male and older populations with poorer health.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Anna Yl\u00f6nen (anpaylon) on 2016-08-27 14:45:48.335771. 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.group@korppi.jyu.fi) on 2016-08-27T14:45:50Z\r\nNo. of bitstreams: 2\r\nURN:NBN:fi:jyu-201608273893.pdf: 487773 bytes, checksum: 198d77c3e6d86aadd55dfcd0bb09d339 (MD5)\r\nlicense.html: 4822 bytes, checksum: 6a44f64c2b6d4ebb143daa390f3185bb (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2016-08-27T14:45:50Z (GMT). No. of bitstreams: 2\r\nURN:NBN:fi:jyu-201608273893.pdf: 487773 bytes, checksum: 198d77c3e6d86aadd55dfcd0bb09d339 (MD5)\r\nlicense.html: 4822 bytes, checksum: 6a44f64c2b6d4ebb143daa390f3185bb (MD5)\r\n Previous issue date: 2016", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (45 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": "puristusvoima", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "n\u00e4\u00f6ntarkkuus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "fyysinen aktiivisuus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "ik\u00e4\u00e4ntyneet", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "N\u00e4\u00f6ntarkkuuden yhteys k\u00e4den puristusvoimaan i\u00e4kk\u00e4ill\u00e4 naisilla", "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", "value": "URN:NBN:fi:jyu-201608273893", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", 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