Document Detail


Effects of deep water and treadmill running on oxygen uptake and energy expenditure in seasonally trained cross country runners.
MedLine Citation:
PMID:  9407747     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: The purpose of this study was to physiologically compare submaximal intensity deep water running (DWR) and treadmill running (TMR) exercise in trained athletes. EXPERIMENTAL DESIGN: Pre-test, post-test, 2 x 2 factoral design. SETTING: Treadmill exercise tests occurred in the Human Performance Laboratory. DWR trials took place in the deep end of the University pool. PARTICIPANTS: Seasonally trained college-aged male cross country runners (N = 8). Subjects completed a treadmill maximal oxygen consumption (VO2max) test, followed by a submaximal treadmill and deep water run at heart rates equivalent to 60% and 80% treadmill VO2max. MEASURES: Oxygen consumption (VO2), ventilation (VEstpd), rates of perceived exertion (RPE), energy expenditure (kcal.min-1), respiratory exchange ratio (RER), fat and carbohydrate oxidation (g.min-1) were measured during two 5 minute steady state stages for both trials. RESULTS: The trial by intensity interaction for VEstpd was significant, demonstrating greater ventilation during DWR as compared to TMR at 80% VO2max. The main effect of trial demonstrated that significantly higher RER and carbohydrate oxidation, and lower fat oxidation occurred during DWR as compared to TMR. VO2, RPE, and energy expenditure did not differ significantly between trials. CONCLUSIONS: DWR is a comparable form of submaximal intensity exercise as TMR in well-trained athletes. DWR does, however, maintain unique properties that differs it from TMR. Therefore, the concept of training specificity should be further considered when prescribing DWR and using it as an enhancement tool or substitute for dry land running.
Authors:
J M DeMaere; B C Ruby
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  The Journal of sports medicine and physical fitness     Volume:  37     ISSN:  0022-4707     ISO Abbreviation:  J Sports Med Phys Fitness     Publication Date:  1997 Sep 
Date Detail:
Created Date:  1998-01-13     Completed Date:  1998-01-13     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0376337     Medline TA:  J Sports Med Phys Fitness     Country:  ITALY    
Other Details:
Languages:  eng     Pagination:  175-81     Citation Subset:  IM    
Affiliation:
Department of Health & Human Performance, University of Montana, Missoula 59812, USA.
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MeSH Terms
Descriptor/Qualifier:
Adipose Tissue / anatomy & histology
Adult
Analysis of Variance
Body Composition
Body Weight
Carbohydrate Metabolism
Energy Metabolism / physiology*
Exercise Test
Heart Rate / physiology
Humans
Lipid Metabolism
Male
Oxidation-Reduction
Oxygen Consumption / physiology*
Perception
Pulmonary Gas Exchange / physiology
Respiration / physiology
Running / classification,  education,  physiology*
Spirometry
Water
Chemical
Reg. No./Substance:
7732-18-5/Water

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


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