Document Detail


Verification phase as a useful tool in the determination of the maximal oxygen uptake of distance runners.
MedLine Citation:
PMID:  17111008     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This study investigated the utility of a verification phase for increasing confidence that a "true" maximal oxygen uptake had been elicited in 16 male distance runners (mean age (+/-SD), 38.7 (+/- 7.5 y)) during an incremental treadmill running test continued to volitional exhaustion. After the incremental test subjects performed a 10 min recovery walk and a verification phase performed to volitional exhaustion at a running speed 0.5 km.h(-1) higher than that attained during the last completed stage of the incremental phase. Verification criteria were a verification phase peak oxygen uptake <or=2% higher than the incremental phase value and peak heart rate values within 2 beats.min(-1) of each other. Of the 32 tests, 26 satisfied the oxygen uptake verification criterion and 23 satisfied the heart rate verification criterion. Peak heart rate was lower (p = 0.001) during the verification phase than during the incremental phase, suggesting that the verification protocol was inadequate in eliciting maximal values in some runners. This was further supported by the fact that 7 tests exhibited peak oxygen uptake values over 100 mL.min(-1) (>or= 3%) lower than the peak values attained in the incremental phase. Further research is required to improve the verification procedure before its utility can be confirmed.
Authors:
Adrian W Midgley; Lars R McNaughton; Sean Carroll
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied physiology, nutrition, and metabolism = Physiologie appliquée, nutrition et métabolisme     Volume:  31     ISSN:  1715-5312     ISO Abbreviation:  -     Publication Date:  2006 Oct 
Date Detail:
Created Date:  2006-11-19     Completed Date:  2007-03-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101264333     Medline TA:  Appl Physiol Nutr Metab     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  541-8     Citation Subset:  IM    
Affiliation:
Department of Sport, Health and Exercise Science, University of Hull, Cottingham Road, Hull HU6 7RX, England. a.w.midgley@hull.ac.uk
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MeSH Terms
Descriptor/Qualifier:
Adult
Heart Rate
Humans
Male
Oxygen Consumption / physiology*
Running / physiology*

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


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