Document Detail


Physiological demands of different sailing techniques of the new Olympic windsurfing class.
MedLine Citation:
PMID:  18777039     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The introduction of the new Olympic class windsurf-board has prompted sailors to develop a new technique of sail "pumping" (rhythmically pulling the sail so that it acts as a wing). Contrary to the old technique that mainly involved upper body activity, the new one requires both upper and lower body muscle activity. Accordingly, the aim of the present study was to compare the performance characteristics of the board (speed and pointing angle ability relative to the direction of the wind) as well as the sailors' physiological demands during sail pumping with the old and new pumping techniques. Nineteen male, highly-trained (V(O)(2max)): 65.1 +/- 5.9 ml min(-1) kg(-1)), international level windsurfers from six different countries underwent two testing sessions on-water in a balanced order. Compared to the old pumping technique the mean distance sailed with the new technique (1,872 +/- 15 and 1,764 +/- 13 m, respectively) and the board speed (3.42 +/- 0.49 and 3.81 +/- 0.28 m s(-1), respectively) were significantly (P < 0.05) shorter and greater, respectively. Consequently, the time taken to sail the testing course was significantly shorter with the new compared to the old technique (390 +/- 8 vs. 420 +/- 16 s). Despite the finding that the new technique was sustained at a significantly higher fraction of V(O)(2max) (80.5 +/- 5.2 and 72.7 +/- 4.5%, respectively) compared to the old technique, total energy expenditure (130.7 +/- 11.3 and 128.1 +/- 9.2 Kcal, respectively) and blood lactate concentration 3 min into recovery (9.4 +/- 2.2 and 8.5 +/- 1.7 mmol l(-1), respectively) were not different. It is concluded that application of the new sail pumping technique improves the performance characteristics of the board without increasing the sailors' total metabolic requirement.
Authors:
Olivier Castagna; Jeanick Brisswalter; Jean-René Lacour; Ioannis Vogiatzis
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-09-06
Journal Detail:
Title:  European journal of applied physiology     Volume:  104     ISSN:  1439-6319     ISO Abbreviation:  Eur. J. Appl. Physiol.     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2008-11-05     Completed Date:  2009-03-05     Revised Date:  2009-04-08    
Medline Journal Info:
Nlm Unique ID:  100954790     Medline TA:  Eur J Appl Physiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  1061-7     Citation Subset:  IM    
Affiliation:
Research Department, IMNSSA, BP 610, 83800, Toulon Armées, France.
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MeSH Terms
Descriptor/Qualifier:
Adult
Energy Metabolism / physiology*
Humans
Lactates / blood
Male
Muscle Strength / physiology
Muscle, Skeletal / physiology*
Physical Exertion / physiology*
Ships*
Sports*
Task Performance and Analysis
Wind
Chemical
Reg. No./Substance:
0/Lactates

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


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