Document Detail

Validation of Aerosport KB1-C portable metabolic system.
MedLine Citation:
PMID:  10452227     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to test the validity of the Aerosport KB1-C portable metabolic measurement system against the criterion Douglas bag method. During cycle ergometry, simultaneous measurements of minute ventilation (VE), oxygen consumption (VO2), and carbon dioxide production (VCO2) were made at rest and at power outputs of 50, 100, 150, 200, and 250 W. No significant differences (P > 0.05) were observed for VE, VO2, and VCO2 between the KB1-C and Douglas bag at 100, 150, and 250 W, while the KB1-C was significantly different (P < 0.05) from Douglas bag values at rest, 50, and 200 W. R values were found to be significantly different (P < 0.05) at 100, 150, and 200 W, while no significant differences were observed at rest, 50, and 250 W. The fractional concentrations of oxygen (FEO2) and carbon dioxide (FECO2) were not significantly different at 50, 100, 200, and 250 W while values at rest and 150 W were significantly different (P < 0.05). These findings show that the Aerosport KB1-C portable metabolic system is acceptable for measuring oxygen uptake in the range of 1.5 and 3.5 L x min(-1), using the medium flow pneumotach setting. At lower intensities, the low-flow pneumotach setting provides acceptable results.
G A King; J E McLaughlin; E T Howley; D R Bassett; B E Ainsworth
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  International journal of sports medicine     Volume:  20     ISSN:  0172-4622     ISO Abbreviation:  Int J Sports Med     Publication Date:  1999 Jul 
Date Detail:
Created Date:  1999-09-23     Completed Date:  1999-09-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8008349     Medline TA:  Int J Sports Med     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  304-8     Citation Subset:  IM; S    
Exercise Science Unit, University of Tennessee, Knoxville 37996-2700, USA.
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MeSH Terms
Calorimetry, Indirect / methods
Energy Metabolism*
Equipment Design
Exercise / physiology*
Oxygen Consumption*
Sensitivity and Specificity

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