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MAXIMAL AND VENTILATORY THRESHOLDS OF OXYGEN UPTAKE AND RATE OF PERCEIVED EXERTION RESPONSES TO WATER AEROBIC EXERCISES.
MedLine Citation:
PMID:  23037612     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
ABSTRACT: This study aimed to compare the maximal and 1st and 2nd ventilatory threshold (VT) oxygen uptake values (VO2) and ratings of perceived exertion (RPE) responses of treadmill running (TR) with three water aerobic exercises: stationary running (SR), jumping jacks (JJ) and forward kick (FK). Nine women (22.89 ± 1.81 years; 1.66 ± 0.07 m; 58.46 ± 4.19 kg) performed one maximal test session for each of the four exercise protocols in randomized order to determine the maximal VO2 (VO2max) and VO2 values and RPE responses corresponding with the 1stVT and 2ndVT. VO2 values were also expressed as a percentage of VO2max (%VO2max). A repeated-measures ANOVA and Bonferroni's post hoc test were used, with á = 0.05 denoting statistical significance. The analyses showed that the VO2 responses were significantly higher for TR than the other exercises at all effort intensities (VO2max: p<0.001; 1stVT and 2ndVT VO2: p<0.001), followed by intermediate responses for SR and FK and lower responses for JJ. However, no significant differences between exercises for values of %VO2max (1stVT: p=0.099; 2ndVT: p=0.131) and RPE (1stVT: p=0.275; 2ndVT: p=0.477) were found at submaximal intensities, indicating that it is possible to achieve and maintain the same training intensity with these exercises during a typical water fitness lesson. Moreover, the RPE values obtained for the 1stVT and 2ndVT can make the prescription of intensity for these water exercises for young women more simple and practical.
Authors:
Cristine Lima Alberton; Amanda Haberland Antunes; Débora Dutra Beilke; Stephanie Santana Pinto; Ana Carolina Kanitz; Marcus Peikriszwili Tartaruga; Luiz Fernando Martins Kruel
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-3
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  -     ISSN:  1533-4287     ISO Abbreviation:  J Strength Cond Res     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9415084     Medline TA:  J Strength Cond Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Exercise Research Laboratory, School of Physical Education, Federal University of Rio Grande do Sul, Brazil.
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