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A reliable testing battery for assessing physical qualities of elite academy rugby league players
Dobbin, Nicholas Hunwicks, Richard Highton, Jamie Twist, Craig
Dobbin, Nicholas
Hunwicks, Richard
Highton, Jamie
Twist, Craig
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2017-11-14
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Abstract
This study assessed the inter-day reliability of a testing battery for the assessment of physical qualities of rugby league players. Fifty players (age 17.1 ± 1.1 years; stature 181.3 ± 6.3 cm; body mass 89.0 ± 11.6 kg) from three Super League academies participated in this study. Tests of countermovement jump performance, 10 and 20 m sprint performance, change of direction, medicine ball throw and a modified Yo-Yo Intermittent Recovery Test Level 1 (prone Yo-Yo IR1) were completed on three separate occasions. Between-day intraclass correlation coefficient, typical error (TE), coefficient of variation (CV) and the smallest worthwhile change (SWC) were calculated to determine the reliability and sensitivity of each measure. Individual tests (except medicine ball throw) were not systematically different between trials (P>0.05), with an inter-day variability that was <10%. In all instances, the TE was larger than the calculated SWC change although variability was less than that typically observed after a training intervention or specific training period (i.e. preseason). Using a magnitude-based inference approach, we present the required change for all performance tests to be 75% confident the change is beneficial. This simple and time efficient testing battery is sufficiently reliable to detect previously observed changes in a range of physical qualities of rugby league players.
Citation
Dobbin, N., Hunwicks, R., Highton, J., & Twist, C. (2017). A reliable testing battery for assessing physical qualities of elite academy rugby league players. Journal of Strength and Conditioning Research, 32(11), 3232–3238. DOI: 10.1519/JSC.0000000000002280
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DOI
10.1519/JSC.0000000000002280
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Article
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en
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This is a non-final version of an article published in final form in Dobbin, N., Hunwicks, R., Highton, J., & Twist, C. (2017). A reliable testing battery for assessing physical qualities of elite academy rugby league players. Journal of Strength and Conditioning Research, 32(11), 3232–3238. DOI: 10.1519/JSC.0000000000002280
Series/Report no.
ISSN
1064-8011
EISSN
1533-4287