Document Detail


Influence of recovery intensity on time spent at maximal oxygen uptake during an intermittent session in young, endurance-trained athletes.
MedLine Citation:
PMID:  18821267     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In this study, we examined the effects of three recovery intensities on time spent at a high percentage of maximal oxygen uptake (t90[Vdot]O(2max)) during a short intermittent session. Eight endurance-trained male adolescents (16 +/- 1 years) performed four field tests until exhaustion: a graded test to determine maximal oxygen uptake ([Vdot]O(2max); 57.4 +/- 6.1 ml x min(-1) . kg(-1)) and maximal aerobic velocity (17.9 +/- 0.4 km x h(-1)), and three intermittent exercises consisting of repeat 30-s runs at 105% of maximal aerobic velocity alternating with 30 s active recovery at 50% (IE(50)), 67% (IE(67)), and 84% (IE(84)) of maximal aerobic velocity. In absolute values, mean t90[Vdot]O(2max) was not significantly different between IE(50) and IE(67), but both values were significantly longer compared with IE(84). When expressed in relative values (as a percentage of time to exhaustion), mean t90[Vdot]O(2max) was significantly higher during IE(67) than during IE(50). Our results show that both 50% and 67% of maximal aerobic velocity of active recovery induced extensive solicitation of the cardiorespiratory system. Our results suggest that the choice of recovery intensity depends on the exercise objective.
Authors:
Delphine Thevenet; Erwan Leclair; Magaly Tardieu-Berger; Serge Berthoin; Sophie Regueme; Jacques Prioux
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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:  26     ISSN:  0264-0414     ISO Abbreviation:  J Sports Sci     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2008-10-14     Completed Date:  2009-03-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8405364     Medline TA:  J Sports Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  1313-21     Citation Subset:  IM    
Affiliation:
Laboratoire d'Etudes de la Motricité Humaine (EA 3608), Faculté des Sciences du Sport et de l'Education Physique, Ronchin, France. thevenet.d@gmail.com
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Age Factors
Exercise / physiology
Exercise Test
Exercise Tolerance / physiology*
Humans
Male
Oxygen Consumption / physiology*
Running / physiology*
Sports*
Time Factors

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


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