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    The concurrent validity of a rugby-specific Yo-Yo Intermittent Recovery Test (Level 1) for assessing match-related running performance

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    Authors
    Dobbin, Nick
    Highton, Jamie M.
    Moss, Samantha L.
    Hunwicks, Richard
    Twist, Craig
    Affiliation
    University of Chester; Rugby Football League, Leeds
    Publication Date
    2018-06-01
    
    Metadata
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    Abstract
    This study investigated the concurrent validity of a rugby-specific high-intensity intermittent running test (HIIR) against the internal, external and perceptual responses to simulated match-play. Thirty-six rugby league players (age 18.5 ± 1.8 years; stature 181.4 ± 7.6 cm; body mass 83.5 ± 9.8 kg) completed the prone Yo-Yo IR1, of which sixteen also completed the Yo-Yo IR1, and 2 x ~20 min bouts of a simulated match-play (RLMSP-i). Most likely reductions in relative total, low-speed and high-speed distance, mean speed and time above 20 W·kg-1 (HMP) were observed between bouts of the RLMSP-i. Likewise, rating of perceived exertion (RPE) and percentage of peak heart rate (%HRpeak) were very likely and likely higher during the second bout. Pearson’s correlations revealed a large relationship for the change in relative distance (r = 0.57-0.61) between bouts with both Yo-Yo IR1 tests. The prone Yo-Yo IR1 was more strongly related to the RLMSP-i for change in repeated sprint speed (r = 0.78 cf. 0.56), mean speed (r = 0.64 cf. 0.36), HMP (r = 0.48 cf. 0.25), fatigue index (r = 0.71 cf. 0.63), %HRpeak (r = -0.56 cf. -0.35), RPEbout1 (r = -0.44 cf. -0.14), and RPEbout2 (r = -0.68 cf. -0.41) than the Yo-Yo IR1, but not for blood lactate concentration (r = -0.20 to -0.28 cf. -0.35 to -0.49). The relationships between prone Yo-Yo IR1 distance and measure of load during the RLMSP-i suggests it possesses concurrent validity and is more strongly associated with measures of training or match load than the Yo-Yo IR1 using rugby league players.
    Citation
    Dobbin, N., Moss, S. L., Hunwicks, R., Highton, J., & Twist, C. (2018). The concurrent validity of a rugby-specific Yo-Yo Intermittent Recovery Test (Level 1) for assessing match-related running performance. Journal of Strength and Conditioning Research. http://doi.org/10.1519/JSC.0000000000002621
    Publisher
    Lippincott, Williams & Wilkins
    Journal
    Journal of Strength and Conditioning Research
    URI
    http://hdl.handle.net/10034/621200
    DOI
    10.1519/JSC.0000000000002621
    Additional Links
    https://journals.lww.com/nsca-jscr/Abstract/publishahead/Concurrent_Validity_of_a_Rugby_Specific_Yo_Yo.95326.aspx
    Type
    Article
    Language
    en
    Description
    This is a non-final version of an article published in final form in Dobbin, N., Moss, S. L., Hunwicks, R., Highton, J., & Twist, C. (2018). The concurrent validity of a rugby-specific Yo-Yo Intermittent Recovery Test (Level 1) for assessing match-related running performance. Journal of Strength and Conditioning Research. http://doi.org/10.1519/JSC.0000000000002621
    EISSN
    1533-4287
    ae974a485f413a2113503eed53cd6c53
    10.1519/JSC.0000000000002621
    Scopus Count
    Collections
    Sport and Exercise Sciences

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