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dc.contributor.authorSagelv, Edvard Hamnvik
dc.contributor.authorPedersen, Sigurd
dc.contributor.authorNilsen, Lars Petter R.
dc.contributor.authorCasolo, Andrea
dc.contributor.authorWelde, Boye
dc.contributor.authorRanders, Morten B.
dc.contributor.authorPettersen, Svein Arne
dc.date.accessioned2020-10-29T08:47:05Z
dc.date.available2020-10-29T08:47:05Z
dc.date.issued2020-10-02
dc.description.abstract<i>Background</i> - High load (HL: > 85% of one repetition maximum (1RM)) squats with maximal intended velocity contractions (MIVC) combined with football sessions can be considered a relevant and time-efficient practice for maintaining and improving high velocity movements in football. Flywheel (FW) resistance exercise (RE) have recently emerged with promising results on physical parameters associated with football performance.<p> <p><i>Methods</i> - In this randomized controlled trial over 6 weeks, 38 recreationally active male football players randomly performed RE with MIVCs two times per week as either 1) FW squats (<i>n</i> = 13) or 2) barbell free weight (BFW) HL squats (<i>n</i> = 13), where a third group served as controls (<i>n</i> = 12). All three groups conducted 2–3 football sessions and one friendly match a week during the intervention period. Pre- to post changes in 10-m sprint, countermovement jump (CMJ) and 1RM partial squat were assessed with univariate analyses of variance.<p> <p><i>Results</i> - The FW and BFW group equally improved their 10-m sprint time (2 and 2%, respectively, within group: both <i>p</i> < 0.001) and jump height (9 and 8%, respectively, within group: both <i>p</i> < 0.001), which was superior to the control group’s change (between groups: both p < 0.001). The BFW group experienced a larger increase (46%) in maximal squat strength than the FW group (17%, between groups: <i>p</i> < 0.001), which both were higher than the control group’s change (both <i>p</i> < 0.001).<p> <p><i>Conclusion</i> - Squats carried out with FWs or BFWs where both are performed with MIVCs and combined with football sessions, were equally effective in improving sprint time and jump height in football players. The BFW group experienced a more than two-fold larger increase in maximal partial squat strength than the FW group in maximal partial squat strength. This presents FW RE as an alternative to BFW HL RE for improving high velocity movements in football.en_US
dc.identifier.citationSagelv, Pedersen, Nilsen, Casolo, Welde, Randers, Pettersen. Flywheel squats versus free weight high load squats for improving high velocity movements in football. A randomized controlled trial. BMC sports science, medicine and rehabilitation. 2020;12:1-13en_US
dc.identifier.cristinIDFRIDAID 1837914
dc.identifier.doi10.1186/s13102-020-00210-y
dc.identifier.issn2052-1847
dc.identifier.urihttps://hdl.handle.net/10037/19698
dc.language.isoengen_US
dc.publisherBMCen_US
dc.relation.ispartofPedersen, S. (2021). Training and influence of maximal strength in football players - With specific emphasis on females. (Doctoral thesis). <a href=https://hdl.handle.net/10037/22920>https://hdl.handle.net/10037/22920</a>.
dc.relation.journalBMC sports science, medicine and rehabilitation
dc.rights.accessRightsopenAccessen_US
dc.rights.holderCopyright 2020 The Author(s)en_US
dc.subjectVDP::Medical disciplines: 700::Sports medicine: 850::Exercise techniques: 851en_US
dc.subjectVDP::Medisinske Fag: 700::Idrettsmedisinske fag: 850::Treningslære: 851en_US
dc.titleFlywheel squats versus free weight high load squats for improving high velocity movements in football. A randomized controlled trialen_US
dc.type.versionpublishedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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