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dc.contributor.authorOliver, Jon
dc.contributor.authorLloyd, Rhodri S.
dc.contributor.authorWhitney, Adam
dc.identifier.citationOliver, J.L., Lloyd, R.S. and Whitney, A. (2015) 'Monitoring of in-season neuromuscular and perceptual fatigue in youth rugby players', European Journal of Sport Science, 15(6), pp.514-522
dc.identifier.issn1536-7290 (online)
dc.descriptionCopy not available from this repository.en_US
dc.descriptionArticle published in European Journal of Sport Science available at
dc.description.abstractThe purpose of this study was to examine both short- and long-term neuromuscular and perceptual fatigue in youth rugby players during a seven-week in-season mesocycle. Eleven male youth rugby players (age 16.9 ± 0.8 years) were assessed for countermovement jump (CMJ), reactive strength index (RSI) and leg stiffness to monitor neuromuscular performance, together with a well-being questionnaire to monitor perceptual fatigue. Players trained and competed throughout a seven-week block with test variables measured at baseline and 24 h pre- and post-matches played in weeks 1, 4 and 7. Players trained on average 9.7 ± 1.1 h per week and competed in 10.5 ± 1.9 games over the seven-week block. Pre- to post-match reductions were significant across all games for CMJ, RSI and well-being (all P < 0.05), ranging from likely to almost certain negative reductions. Well-being and RSI demonstrated non-significant (P < 0.05) unclear or inconsistent changes when comparing pre-match scores to baseline. Significant reductions to baseline were observed pre-match for CMJ (weeks 4 and 7) and stiffness (week 7), representing very likely to almost certain negative long-term decrements. CMJ, RSI and well-being were all sensitive to detecting post-match fatigue. Importantly, CMJ and stiffness were sensitive to detecting accumulated fatigue over a seven-week period, whereas RSI and well-being were not. Consequently, either a CMJ or leg stiffness should be monitored to detect long-term, accumulated fatigue in academy rugby players.en_US
dc.publisherTaylor & Francisen_US
dc.relation.ispartofseriesEuropean Journal of Sport Science;
dc.subjectcountermovement jump
dc.subjectreactive strength index
dc.subjectleg stiffness
dc.titleMonitoring of in-season neuromuscular and perceptual fatigue in youth rugby playersen_US

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