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The perceptually regulated exercise test is sensitive to increases in maximal oxygen uptake.
MedLine Citation:
PMID:  23160654     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The aim of this study was to assess the sensitivity of a perceptually regulated exercise test (PRET) to predict maximal oxygen uptake ([Formula: see text]O(2)max) following an aerobic exercise-training programme. Sedentary volunteers were assigned to either a training (TG n = 16) or control (CG n = 10) group. The TG performed 30 min of treadmill exercise, regulated at 13 on the Borg Rating of Perceived Exertion (RPE) Scale, 3× per week for 8 weeks. All participants completed a 12-min PRET to predict [Formula: see text]O(2)max followed by a graded exercise test (GXT) to measure [Formula: see text]O(2)max before and after training. The PRET required participants to control the speed and incline on the treadmill to correspond to RPE intensities of 9, 11, 13 and 15. Predictive accuracy of extrapolation end-points RPE19 and RPE20 from a submaximal RPE range of 9-15 was compared. Measured [Formula: see text]O(2)max increased by 17 % (p < 0.05) from baseline to post-intervention in TG. This was reflected by a similar change in [Formula: see text]O(2)max predicted from PRET when extrapolated to RPE 19 (baseline [Formula: see text]O(2)max: 31.3 ± 5.5, 30.3 ± 9.5 mL kg(-1) min(-1); post-intervention [Formula: see text]O(2)max: 36.7 ± 6.4, 37.4 ± 7.9 mL kg(-1) min(-1), for measured and predicted values, respectively). There was no change in CG (measured vs. predicted [Formula: see text]O(2)max: 39.3 ± 6.5; 40.3 ± 8.2 and 39.2 ± 7.0; 37.7 ± 6.0 mL kg(-1) min(-1)) at baseline and post-intervention, respectively. The results confirm that PRET is sensitive to increases in [Formula: see text]O(2)max following aerobic training.
Authors:
Harrison J L Evans; Gaynor Parfitt; Roger G Eston
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-16
Journal Detail:
Title:  European journal of applied physiology     Volume:  -     ISSN:  1439-6327     ISO Abbreviation:  Eur. J. Appl. Physiol.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100954790     Medline TA:  Eur J Appl Physiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Exercise for Health and Human Performance, Sansom Institute for Health Research, School of Health Sciences, University of South Australia, Adelaide, SA, Australia, harrison.evans@mymail.unisa.edu.au.
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