Document Detail

Active and passive recovery and acid-base kinetics following multiple bouts of intense exercise to exhaustion.
MedLine Citation:
PMID:  16676706     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to profile the effect of active versus passive recovery on acid-base kinetics during multiple bouts of intense exercise. Ten males completed two exercise trials. The trials consisted of three exercise bouts to exhaustion with either a 12 min active (20% workload max) or passive recovery between bouts. Blood pH was lower in the passive (p) recovery compared to active (a) throughout the second and third recovery periods [second recovery: 7.18 +/- 0.08 to 7.24 +/- 0.09 (p), 7.23 +/- 0.07 to 7.32 +/- 0.07 (a), P < 0.05; third recovery: 7.17 +/- 0.08 to 7.22 +/- 0.09 (p), 7.23 +/- 0.08 to 7.32 +/- 0.08 (a), P < 0.05]. Exercise performance times did not differ between recovery conditions (P = 0.28). No difference was found between conditions for recovery kinetics (slope and half-time to recovery). Subsequent performance during multiple bouts of intense exercise to exhaustion may not be influenced by blood acidosis or mode of recovery.
J C Siegler; J Bell-Wilson; C Mermier; E Faria; R A Robergs
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Publication Detail:
Type:  Clinical Trial; Journal Article    
Journal Detail:
Title:  International journal of sport nutrition and exercise metabolism     Volume:  16     ISSN:  1526-484X     ISO Abbreviation:  Int J Sport Nutr Exerc Metab     Publication Date:  2006 Feb 
Date Detail:
Created Date:  2006-05-08     Completed Date:  2006-06-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100939812     Medline TA:  Int J Sport Nutr Exerc Metab     Country:  United States    
Other Details:
Languages:  eng     Pagination:  92-107     Citation Subset:  IM    
Dept of Physical Education & Exercise Science, Brooklyn College, Brooklyn, NY 11210, USA.
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MeSH Terms
Acid-Base Equilibrium / physiology*
Analysis of Variance
Bicarbonates / blood
Energy Metabolism / physiology*
Exercise / physiology*
Exercise Test / methods
Hydrogen-Ion Concentration
Lactic Acid / blood
Oxygen Consumption / physiology
Rest / physiology*
Time Factors
Reg. No./Substance:
0/Bicarbonates; 50-21-5/Lactic Acid

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

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