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dc.contributor.authorTwist, Craig
dc.contributor.authorWilliams, Jack
dc.contributor.authorDobbin, Nick
dc.date.accessioned2021-08-16T12:24:17Z
dc.date.available2021-08-16T12:24:17Z
dc.identifierhttps://chesterrep.openrepository.com/bitstream/handle/10034/625598/Deteriorations%20in%20physical%20qualities%20during%20a%2010%20week%20unsupervised%20off%20season%20period%20in%20academy%20rugby%20union%20players.pdf?sequence=6
dc.identifierhttps://chesterrep.openrepository.com/bitstream/handle/10034/625598/Main%20manuscript%20R2.pdf?sequence=3
dc.identifier.citationTwist, C., Williams, J., & Dobbin, N. (2022). Deteriorations in physical qualities during a 10-week unsupervised off-season period in academy rugby union players. Science and Medicine in Football, 6(3), 347-354. https://doi.org/10.1080/24733938.2021.1959944en_US
dc.identifier.issn2473-3938
dc.identifier.doi10.1080/24733938.2021.1959944
dc.identifier.urihttp://hdl.handle.net/10034/625598
dc.descriptionThis is an Accepted Manuscript of an article published by Taylor & Francis in Science and Medicine in Football on 02/08/2021, available online: https://www.tandfonline.com/doi/abs/10.1080/24733938.2021.1959944en_US
dc.description.abstractPurpose: To determine the changes in physical qualities of academy rugby union players over a 10-week unsupervised off-season period. Methods: Body mass, jump height, sprint performance, and intermittent running (30:15 IFT) of 64 academy rugby union players (age = 17.2 ± 0.4 y) were recorded before and after the off-season. Results: Changes in body mass (+1.4 ± 1.3 kg), countermovement jump (-2.2 ± 1.2 cm), squat jump (-1.5 ± 1.8 cm), 10 m sprint (+0.06 ± 0.05 s), 40 m sprint (+0.13 ± 0.11 s) and 30:15 IFT (-0.8 ± 0.8 kmh-1) were observed (P < 0.001, d = -1.77 to 0.47). Only changes in body mass were greater in forwards than backs (P = 0.036, d = 0.46). Players with higher end-of-season body mass, squat jump and 30:15 IFT had greater off-season changes (P = < 0.001 to 0.044; d = 0.63 to 0.94), whilst the pre-post difference in body mass influenced CMJ (P = 0.005, d = 0.75) and 10 m momentum change (P <0.001, d = 1.61). Conclusion: Understanding the individuality of the changes in physical qualities of academy rugby union players during the off-season is important to ensure players return safely to pre-season training loads.en_US
dc.publisherTaylor & Francisen_US
dc.relation.urlhttps://www.tandfonline.com/doi/abs/10.1080/24733938.2021.1959944en_US
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en_US
dc.subjectintermittent sporten_US
dc.subjectdetrainingen_US
dc.subjectperiodisationen_US
dc.titleDeteriorations in physical qualities during a 10-week unsupervised off-season period in academy rugby union playersen_US
dc.typeArticleen_US
dc.identifier.eissn2473-4446en_US
dc.contributor.departmentUniversity of Chester; Manchester Metropolitan Universityen_US
dc.identifier.journalScience and Medicine in Footballen_US
or.grant.openaccessYesen_US
rioxxterms.funderUnfundeden_US
rioxxterms.identifier.projectUnfundeden_US
rioxxterms.versionAMen_US
rioxxterms.versionofrecord10.1080/24733938.2021.1959944en_US
rioxxterms.licenseref.startdate2022-08-02
dcterms.dateAccepted2021-07-20
rioxxterms.publicationdate2021-08-02
dc.date.deposited2021-08-16en_US
dc.indentifier.issn2473-3938en_US


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