| Effect of cold or thermoneutral water immersion on post-exercise heart rate recovery and heart rate variability indices. | |
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MedLine Citation:
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PMID: 20403733 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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This study aimed to investigate the effect of cold and thermoneutral water immersion on post-exercise parasympathetic reactivation, inferred from heart rate (HR) recovery (HRR) and HR variability (HRV) indices. Twelve men performed, on three separate occasions, an intermittent exercise bout (all-out 30-s Wingate test, 5 min seated recovery, followed by 5 min of submaximal running exercise), randomly followed by 5 min of passive (seated) recovery under either cold (CWI), thermoneutral water immersion (TWI) or control (CON) conditions. HRR indices (e.g., heart beats recovered in the first minute after exercise cessation, HRR(60)(s)) and vagal-related HRV indices (i.e., natural logarithm of the square root of the mean of the sum of the squares of differences between adjacent normal R-R intervals (Ln rMSSD)) were calculated for the three recovery conditions. HRR(60)(s) was faster in water immersion compared with CON conditions [30+/-9 beats min(-)(1) for CON vs. 43+/- 10 beats min(-)(1) for TWI (P=0.003) and 40+/-13 beats min(-)(1) for CWI (P=0.017)], while no difference was found between CWI and TWI (P=0.763). Ln rMSSD was higher in CWI (2.32+/-0.67 ms) compared with CON (1.98+/-0.74 ms, P=0.05) and TWI (2.01+/-0.61 ms, P=0.08; aES=1.07) conditions, with no difference between CON and TWI (P=0.964). Water immersion is a simple and efficient means of immediately triggering post-exercise parasympathetic activity, with colder immersion temperatures likely to be more effective at increasing parasympathetic activity. |
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Authors:
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Hani Al Haddad; Paul B Laursen; Didier Chollet; Frédéric Lemaitre; Saïd Ahmaidi; Martin Buchheit |
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Publication Detail:
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Type: Comparative Study; Journal Article; Randomized Controlled Trial Date: 2010-04-18 |
Journal Detail:
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Title: Autonomic neuroscience : basic & clinical Volume: 156 ISSN: 1872-7484 ISO Abbreviation: Auton Neurosci Publication Date: 2010 Aug |
Date Detail:
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Created Date: 2010-08-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100909359 Medline TA: Auton Neurosci Country: Netherlands |
Other Details:
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Languages: eng Pagination: 111-6 Citation Subset: IM |
Copyright Information:
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Copyright 2010 Elsevier B.V. All rights reserved. |
Affiliation:
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Laboratoire de Recherche, EA 3300 Adaptations physiologiques à l'exercice et réadaptation à l'effort, Faculté des Sciences du Sport, Université de Picardie Jules Verne, F-80025, Amiens, France. alhaddad.hani@gmail.com |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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