Document Detail

Dynamics of visual feedback in a laboratory simulation of a penalty kick.
MedLine Citation:
PMID:  12630788     Owner:  NLM     Status:  MEDLINE    
Sport scientists have devoted relatively little attention to soccer penalty kicks, despite their decisive role in important competitions such as the World Cup. Two possible kicker strategies have been described: ignoring the goalkeeper action (open loop) or trying to react to the goalkeeper action (closed loop). We used a paradigm simulating a penalty kick in the laboratory to investigate the dynamics of the closed-loop strategy in these controlled conditions. The probability of correctly responding to the simulated goalkeeper motion as a function of time available followed a logistic curve. Kickers on average reached perfect performance only if the goalkeeper committed him or herself to one side about 400 ms before ball contact and showed chance performance if the goalkeeper motion occurred less than 150 ms before ball contact. Interestingly, coincidence judgement--another aspect of the laboratory responses--appeared to be affected for a much longer time (> 500 ms) than was needed to correctly determine laterality. The present study is meant as groundwork for experiments in more ecological conditions applicable to kickers and goalkeepers.
Edgard Morya; Ronald Ranvaud; Walter Machado Pinheiro
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of sports sciences     Volume:  21     ISSN:  0264-0414     ISO Abbreviation:  J Sports Sci     Publication Date:  2003 Feb 
Date Detail:
Created Date:  2003-03-12     Completed Date:  2003-06-27     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  8405364     Medline TA:  J Sports Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  87-95     Citation Subset:  IM    
Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, Av. Lineu Prestes 1524, São Paulo, SP 05508-900, Brazil.
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MeSH Terms
Biofeedback, Psychology / physiology*
Computer Simulation
Laboratory Techniques and Procedures*
Movement / physiology
Psychomotor Performance / physiology
Reaction Time / physiology
Soccer / physiology*
Task Performance and Analysis
Visual Perception / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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