Document Detail

Effects of active recovery between series on performance during an intermittent exercise model in young endurance athletes.
MedLine Citation:
PMID:  15549368     Owner:  NLM     Status:  MEDLINE    
The purpose of our study was to compare time to exhaustion ( t(lim)) and time spent at a high level of oxygen uptake (V(.)O(2)) during two high-intensity short intermittent exercises (30 s-30 s) realized with or without series. Eleven young endurance-trained athletes [16.6 (0.4) years] took part in three field tests until exhaustion: (1) a maximal graded test to measure their maximal aerobic velocity (MAV) and maximal oxygen uptake (V(.)O(2max)); (2) and (3) two randomized intermittent exercises (30 s at 110% of MAV alternated with 30 s at 50% of MAV): one alternating repetitions non-stop (IE) and another including 4 min recovery every six repetitions (IEs). The mean t(lim) measured during IEs was significantly longer than IE [respectively 960.0 (102.0) s vs 621.8 (56.2) s]. The time spent at V(.)O(2max)( t(V(.)O2max)) and the time spent above 90% of V(.)O(2max)( t(90%V(.)O2max)) did not differ significantly according to the type of exercise: with or without series [respectively t(V(.)O2max) was 158.2 (59.7) s vs 178.0 (56.5) s and t(90%<Vdot>O2max) was 290.4 (84.3) s vs 345.0 (61.6) s] but when expressed as a relative value, t(90%<Vdot>O2max) during IEs was significantly lower than during IE [respectively 36.4 (10.4)% t(lim) vs 58.3 (8.7)% t(lim)]. Despite a significant decrease ( P<0.005) of time to achieve 90% of V(.)O(2max) at the start of each series during IEs [respectively 165.0 (43.1) s for the first series and 82.5 (15.8) s for the second series ( n=6)] the time spent under 90% of V(.)O(2max) limited the t(90%V(.)O2max) during each series. In conclusion, our results showed that intermittent exercise with series does not permit an increase in the time spent at a high level of V(.)O(2); however, the athletes performed more repetitions of short intense exercise.
Magaly Tardieu-Berger; Delphine Thevenet; Hassane Zouhal; Jacques Prioux
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial     Date:  2004-07-27
Journal Detail:
Title:  European journal of applied physiology     Volume:  93     ISSN:  1439-6319     ISO Abbreviation:  Eur. J. Appl. Physiol.     Publication Date:  2004 Oct 
Date Detail:
Created Date:  2004-11-19     Completed Date:  2005-07-05     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  100954790     Medline TA:  Eur J Appl Physiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  145-52     Citation Subset:  IM    
Laboratory "Motricité, Interactions, Performance", UFR STAPS, 25 bis bd Guy Mollet, BP 72206, 44322, Nantes Cedex 3, France.
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MeSH Terms
Adaptation, Physiological / physiology
Motor Skills / physiology*
Oxygen / metabolism*
Oxygen Consumption / physiology*
Physical Endurance / physiology*
Physical Exertion / physiology*
Physical Fitness / physiology*
Recovery of Function / physiology*
Task Performance and Analysis
Reg. No./Substance:

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