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Prediction of maximal oxygen uptake from submaximal ratings of perceived exertion and heart rate during a continuous exercise test: the efficacy of RPE 13

Prediction of maximal oxygen uptake from submaximal ratings of perceived exertion and heart rate during a continuous exercise test: the efficacy of RPE 13
Prediction of maximal oxygen uptake from submaximal ratings of perceived exertion and heart rate during a continuous exercise test: the efficacy of RPE 13
This study assessed the utility of a single, continuous exercise protocol in facilitating accurate estimates of maximal oxygen uptake V(O)(2max) from submaximal heart rate (HR) and the ratings of perceived exertion (RPE) in healthy, low-fit women, during cycle ergometry. Eleven women estimated their RPE during a continuous test (1 W 4 s(-1)) to volitional exhaustion (measured V(O)(2max)). Individual gaseous exchange thresholds (GETs) were determined retrospectively. The RPE and HR values prior to and including an RPE 13 and GET were extrapolated against corresponding oxygen uptake to a theoretical maximal RPE (20) and peak RPE (19), and age-predicted HRmax, respectively, to predict V(O)(2max)). There were no significant differences (P > 0.05) between measured (30.9 +/- 6.5 ml kg(-1) min(-1)) and predicted V(O)(2max) from all six methods. Limits of agreement were narrowest and intraclass correlations were highest for predictions of V(O)(2max) from an RPE 13 to peak RPE (19). Prediction of V(O)(2max) from a regression equation using submaximal HR and work rate at an RPE 13 was also not significantly different to actual V(O)(2max) (R( 2 ) = 0.78, SEE = 3.42 ml kg(-1) min(-1), P > 0.05). Accurate predictions of V(O)(2max) may be obtained from a single, continuous, estimation exercise test to a moderate intensity (RPE 13) in low-fit women, particularly when extrapolated to peak terminal RPE (RPE(19)). The RPE is a valuable tool that can be easily employed as an adjunct to HR, and provides supplementary clinical information that is superior to using HR alone.
1439-6319
1-9
Lambrick, Danielle M.
1deafa4b-acf3-4eff-83c9-f8274e47e993
Faulkner, James A.
7aff9568-e632-4cc6-b35a-be7a94a63cac
Rowlands, Ann V.
fd51eab8-09fe-48c9-bcea-52e4936de38c
Eston, Roger G.
5fb47520-ec36-4183-8c5e-f11f8d3ab6b2
Lambrick, Danielle M.
1deafa4b-acf3-4eff-83c9-f8274e47e993
Faulkner, James A.
7aff9568-e632-4cc6-b35a-be7a94a63cac
Rowlands, Ann V.
fd51eab8-09fe-48c9-bcea-52e4936de38c
Eston, Roger G.
5fb47520-ec36-4183-8c5e-f11f8d3ab6b2

Lambrick, Danielle M., Faulkner, James A., Rowlands, Ann V. and Eston, Roger G. (2009) Prediction of maximal oxygen uptake from submaximal ratings of perceived exertion and heart rate during a continuous exercise test: the efficacy of RPE 13. European Journal of Applied Physiology, 107 (1), 1-9. (doi:10.1007/s00421-009-1093-7). (PMID:19488778)

Record type: Article

Abstract

This study assessed the utility of a single, continuous exercise protocol in facilitating accurate estimates of maximal oxygen uptake V(O)(2max) from submaximal heart rate (HR) and the ratings of perceived exertion (RPE) in healthy, low-fit women, during cycle ergometry. Eleven women estimated their RPE during a continuous test (1 W 4 s(-1)) to volitional exhaustion (measured V(O)(2max)). Individual gaseous exchange thresholds (GETs) were determined retrospectively. The RPE and HR values prior to and including an RPE 13 and GET were extrapolated against corresponding oxygen uptake to a theoretical maximal RPE (20) and peak RPE (19), and age-predicted HRmax, respectively, to predict V(O)(2max)). There were no significant differences (P > 0.05) between measured (30.9 +/- 6.5 ml kg(-1) min(-1)) and predicted V(O)(2max) from all six methods. Limits of agreement were narrowest and intraclass correlations were highest for predictions of V(O)(2max) from an RPE 13 to peak RPE (19). Prediction of V(O)(2max) from a regression equation using submaximal HR and work rate at an RPE 13 was also not significantly different to actual V(O)(2max) (R( 2 ) = 0.78, SEE = 3.42 ml kg(-1) min(-1), P > 0.05). Accurate predictions of V(O)(2max) may be obtained from a single, continuous, estimation exercise test to a moderate intensity (RPE 13) in low-fit women, particularly when extrapolated to peak terminal RPE (RPE(19)). The RPE is a valuable tool that can be easily employed as an adjunct to HR, and provides supplementary clinical information that is superior to using HR alone.

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Published date: September 2009
Organisations: Faculty of Health Sciences

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Local EPrints ID: 382318
URI: http://eprints.soton.ac.uk/id/eprint/382318
ISSN: 1439-6319
PURE UUID: 9b0e4cea-4599-4bb3-aebc-ebef2a7c9063
ORCID for Danielle M. Lambrick: ORCID iD orcid.org/0000-0002-0325-6015

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Date deposited: 01 Oct 2015 15:37
Last modified: 15 Mar 2024 03:51

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Contributors

Author: James A. Faulkner
Author: Ann V. Rowlands
Author: Roger G. Eston

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