Document Detail

The Yo-Yo intermittent recovery test : a useful tool for evaluation of physical performance in intermittent sports.
MedLine Citation:
PMID:  18081366     Owner:  NLM     Status:  MEDLINE    
The two Yo-Yo intermittent recovery (IR) tests evaluate an individual's ability to repeatedly perform intense exercise. The Yo-Yo IR level 1 (Yo-Yo IR1) test focuses on the capacity to carry out intermittent exercise leading to a maximal activation of the aerobic system, whereas Yo-Yo IR level 2 (Yo-Yo IR2) determines an individual's ability to recover from repeated exercise with a high contribution from the anaerobic system. Evaluations of elite athletes in various sports involving intermittent exercise showed that the higher the level of competition the better an athlete performs in the Yo-Yo IR tests. Performance in the Yo-Yo IR tests for young athletes increases with rising age. The Yo-Yo IR tests have shown to be a more sensitive measure of changes in performance than maximum oxygen uptake. The Yo-Yo IR tests provide a simple and valid way to obtain important information of an individual's capacity to perform repeated intense exercise and to examine changes in performance.
Jens Bangsbo; F Marcello Iaia; Peter Krustrup
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Sports medicine (Auckland, N.Z.)     Volume:  38     ISSN:  0112-1642     ISO Abbreviation:  Sports Med     Publication Date:  2008  
Date Detail:
Created Date:  2007-12-17     Completed Date:  2008-03-05     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8412297     Medline TA:  Sports Med     Country:  New Zealand    
Other Details:
Languages:  eng     Pagination:  37-51     Citation Subset:  IM    
Institute of Exercise and Sport Sciences, University of Copenhagen, Copenhagen Muscle Research Centre, Copenhagen, Denmark. JBANGSBO@AKI.KU.DK
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MeSH Terms
Adaptation, Physiological / physiology*
Exercise Test
Exercise Tolerance*
Muscle Contraction / physiology
Muscle, Skeletal / physiology
Oxygen Consumption
Physical Endurance / physiology*
Task Performance and Analysis
Time Factors

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