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dc.contributor.authorJohnsen, Marianne Bakke
dc.contributor.authorEitzen, Ingrid
dc.contributor.authorMoksnes, Håvard
dc.contributor.authorRisberg, May Arna
dc.date.accessioned2014-11-24T13:41:53Z
dc.date.available2014-11-24T13:41:53Z
dc.date.issued2013-11-15
dc.identifier.citationKnee Surgery, Sports Traumatology, Arthroscopy. 2013. doi:10.1007/s00167-013-2771-xnb_NO
dc.identifier.urihttp://hdl.handle.net/11250/226382
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 link.springer.com: http://dx.doi.org/10.1007/s00167-013-2771-x / 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 original publication is available at link.springer.com: http://dx.doi.org/10.1007/s00167-013-2771-xnb_NO
dc.description.abstractPurpose: Single-legged hop tests and isokinetic muscle torque are common outcome measures in the evaluation of knee function. The reliability of the single-legged hop tests in children has not been documented. The aim was to examine inter- and intrarater reliability of four single-legged hop tests and isokinetic muscle torque measurements in children. Methods: Twenty-eight sports-active children (12.4 ± 0.3 years old) were tested three times in two test sessions separated by 1 week. They performed four single-legged hop tests and concentric isokinetic torque measurements during knee extension and flexion. Inter- and intrarater reliability were calculated using the intraclass correlation coefficient (ICC 2,1). Relative terms of the standard error of measurement (SEM %) and smallest real difference (SRD %) were emphasized to allow comparison between the different variables. Results: Twenty-six children were included for statistical analysis. ICCs for inter- and intrarater reliability were moderate to high for the hop tests (0.62–0.91) and isokinetic measurements (0.76–0.87). SEMs % were low for the hop tests (3.9–7.4 %) and the isokinetic measurements (5.2–8.9 %). SRDs % were 20.5 % or less for the hop tests, 15.7 % or less for knee extension, and 24.6 % or less for knee flexion. Conclusion: The single-legged hop tests and isokinetic muscle torque measurements demonstrated moderate-to-high reliability with low measurement error in sports-active children. A change above 20.5 % for the single-legged hop tests, 15.7 % for knee extension, and 24.6 % for knee flexion is necessary to represent a real change in knee function.nb_NO
dc.language.isoengnb_NO
dc.publisherSpringer Verlagnb_NO
dc.subjectperformance-based testsnb_NO
dc.subjectlower extremitynb_NO
dc.subjecthop testsnb_NO
dc.subjectisokinetic dynamometrynb_NO
dc.subjectmuscle strengthnb_NO
dc.subjectreproducibility of resultsnb_NO
dc.titleInter- and intrarater reliability of four single-legged hop tests and isokinetic muscle torque measurements in childrennb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.subject.nsiVDP::Medical disciplines: 700nb_NO
dc.source.journalKnee Surgery, Sports Traumatology, Arthroscopynb_NO
dc.description.localcodeSeksjon for idrettsmedisinske fag / Department of Sports Medicinenb_NO


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