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dc.contributor.authorSkazalski, Christopher
dc.contributor.authorWhiteley, Rod
dc.contributor.authorHansen, Clint
dc.contributor.authorBahr, Roald
dc.date.accessioned2019-04-04T12:57:56Z
dc.date.available2019-04-04T12:57:56Z
dc.date.created2018-01-12T13:13:44Z
dc.date.issued2018
dc.identifier.citationScandinavian Journal of Medicine & Science in Sports. 2018, 28, 1578-1585.nb_NO
dc.identifier.issn0905-7188
dc.identifier.urihttp://hdl.handle.net/11250/2593357
dc.descriptionI Brage finner du siste tekst-versjon av artikkelen, og den kan inneholde ubetydelige forskjeller fra forlagets pdf-versjon. Forlagets pdf-versjon finner du på onlinelibrary.wiley.com / In Brage you'll find the final text version of the article, and it may contain insignificant differences from the journal's pdf version. The definitive version is available at onlinelibrary.wiley.comnb_NO
dc.description.abstractPurpose: Use of a commercially available wearable device to monitor jump load with elite volleyball players has become common practice. The purpose of this study was to evaluate the validity and reliability of this device, the Vert, to count jumps and measure jump height with professional volleyball players. Methods: Jump count accuracy was determined by comparing jumps recorded by the device to jumps observed through systematic video analysis of three practice sessions and two league matches performed by a men's professional volleyball team. Jumps performed by 14 players were each coded for time and jump type and individually matched to device recorded jumps. Jump height validity of the device was examined against reference standards as participants performed countermovement jumps on a force plate and volleyball-specific jumps with a Vertec. Results: The Vert device accurately counted 99.3% of the 3637 jumps performed during practice and match play. The device showed excellent jump height inter-device reliability for two devices placed in the same pouch during volleyball jumps (r = 0.99, 95% CI 0.98 to 0.99). The device had a minimum detectable change (MDC) of 9.7 cm and overestimated jump height by an average of 5.5 cm (95% CI 4.5 to 6.5) across all volleyball jumps. Conclusion: The Vert device demonstrates excellent accuracy counting volleyball-specific jumps during training and competition. While the device is not recommended to measure maximal jumping ability when precision is needed, it provides an acceptable measure of on-court jump height that can be used to monitor athlete jump load.nb_NO
dc.language.isoengnb_NO
dc.subjectinjury preventionnb_NO
dc.subjectjump loadnb_NO
dc.subjectload monitoringnb_NO
dc.subjectvertnb_NO
dc.subjectvolleyballnb_NO
dc.subjectworkloadnb_NO
dc.titleA valid and reliable method to measure jump-specific training and competition load in elite volleyball playersnb_NO
dc.title.alternativeA valid and reliable method to measure jump-specific training and competition load in elite volleyball playersnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionacceptedVersionnb_NO
dc.source.pagenumber1578-1585nb_NO
dc.source.volume28nb_NO
dc.source.journalScandinavian Journal of Medicine & Science in Sportsnb_NO
dc.source.issue5nb_NO
dc.identifier.doi10.1111/sms.13052
dc.identifier.cristin1541605
dc.description.localcodeSeksjon for idrettsmedisinske fag / Department of Sports Medicinenb_NO
cristin.unitcode150,34,0,0
cristin.unitnameSeksjon for idrettsmedisinske fag
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode2


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