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A three-season comparison of match performances among selected and unselected elite youth rugby league players
Waldron, Mark Worsfold, Paul R. Twist, Craig Lamb, Kevin L.
Waldron, Mark
Worsfold, Paul R.
Twist, Craig
Lamb, Kevin L.
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2014-02-28
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Abstract
This study compared technical actions, movements, heart rates and perceptual responses of selected and unselected youth rugby league players during matches (under-15 to under-17). The players’ movements and heart rates were assessed using 5 Hz Global Positioning Systems (GPS), while their technical actions were analysed using video analysis. The
maturity of each player was predicted before each season for statistical control. There were
no differences (P > 0.05) between selected and unselected players in the under-15 or the
under-17 age groups for any variables. However, in the under-16 group, the selected players
(57.1 ± 11.9 min) played for longer than the unselected players (44.1 ± 12.3 min; P = 0.017;
ES = 1.08 ± CI = 0.87), and covered more distance (5,181.0 ± 1063.5 m cf. 3942.6 ± 1,108.6m, respectively; P = 0.012; ES = 1.14 ± CI = 0.88) and high intensity distance (1,808.8 ±
369.3 m cf. 1,380.5 ± 367.7 m, respectively; P = 0.011; ES = 1.16 ± CI = 0.88). Although
successful carries per minute was higher in the selected under-15 group, there were no other
differences (P > 0.05) in match performance relative to playing minutes between groups.
Controlling for maturity, the less mature, unselected players from the under-16 group
performed more high-intensity running (P < 0.05). Our findings question the use of match-
related measurements in differentiating between selected and unselected players, showing
that later maturing players were unselected, even when performing greater high-intensity
running during matches.
Citation
Waldron, M., Worsfold, P. R., Twist, C., & Lamb, K. (2014). A three-season comparison of match performances among selected and unselected elite youth rugby league players. Journal of Sports Sciences, 32(12), 1110-1119.
Publisher
Taylor & Francis
Journal
Journal of Sports Sciences
Research Unit
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PubMed Central ID
Type
Article
Language
en
Description
This is an author's accepted manuscript of an article published in Journal of Sports Sciences, 28 February 2014, available online: http:www.tandfonline.com/10.1080/02640414.2014.889838
Series/Report no.
ISSN
0264-0414
EISSN
1466-447X