Information-governing dynamics of attacker-defender interactions in youth rugby union
Passos, Pedro, Araújo, Duarte, Davids, Keith W., Gouveia, Luis, Milho, João, & Serpa, SidóNio (2008) Information-governing dynamics of attacker-defender interactions in youth rugby union. Journal of Sports Sciences, 26(13), pp. 1421-1429.
Previous work on dynamics of interpersonal interactions in 1 vs. 1 sub-phases of basketball has identified changes in
interpersonal distance between an attacker and defender as a potential control parameter for influencing organizational states of attacker–defender dyads. Other studies have reported the constraining effect of relative velocity between an attacker and defender in 1 vs. 1 dyads. To evaluate the relationship between these candidate control parameters, we compared the impact of both interpersonal distance and relative velocity on the pattern-forming dynamics of attacker–defender dyads in the sport
of rugby union. Results revealed that when interpersonal distance achieved a critical value of less than 4 m, and relative velocity values increased or were maintained above 1 m s71, a successful outcome (i.e. clean attempt) for an attacker was predicted. Alternatively, when values of relative velocity suddenly decreased below this threshold, at the same critical value of interpersonal distance, a successful outcome for the defender was predicted. Data demonstrated how the coupling of these two potential, nested control parameters moved the dyadic system to phase transitions, characterized as a try or a tackle.
Observations suggested that relative velocity increased its influence on the organization of attacker–defender dyads in rugby union over time as spatial proximity to the try line increased.
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|Item Type:||Journal Article|
|Keywords:||Interpersonal coordination dynamics, Nested control parameters, Phase transitions, Pattern formation, Rugby union|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > HUMAN MOVEMENT AND SPORTS SCIENCE (110600) > Motor Control (110603)|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health|
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
|Deposited On:||27 Apr 2009 08:07|
|Last Modified:||29 Feb 2012 23:43|
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