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Predicting maximal oxygen uptake via a perceptually regulated exercise test (PRET)
Morris, Mike Lamb, Kevin L. Cotterrell, David Buckley, John
Morris, Mike
Lamb, Kevin L.
Cotterrell, David
Buckley, John
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2009-12-08
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Abstract
Recent research has yielded encouraging, yet inconsistent findings concerning the validity and reliability of predicting maximal oxygen uptake (O2 max) from a graded perceptually regulated exercise test (PRET). Accordingly, the purpose of the present study was to revisit the validity and reliability of this application of ratings of perceived exertion (RPE) using a modified PRET protocol. Twenty-three volunteers (mean age, 31 ± 9.9 years) completed four counter-balanced PRETs (involving two 2-minute and two 3-minute bouts administered over 9 days, each separated by 48 hours) on an electromagnetically braked cycle ergometer and one maximal graded exercise test. Participants self-regulated their exercise at RPE levels 9, 11, 13, 15 and 17 in a randomized order. Oxygen uptake (O2) was recorded continuously during each bout. The O2 values for the RPE ranges 9-17, 9-15 and 9-13 were extrapolated to RPE 20 using regression analysis to predict individual O2 max scores.
Citation
Journal of Exercise Science & Fitness, 2009, 7(2), pp. 122-128
Publisher
Journal
Journal of Exercise Science & Fitness
Research Unit
DOI
10.1016/S1728-869X(09)60015-0
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Article
Language
en
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ISSN
1728-869X