Abstract
The Borg Ratings of Perceived Exertion scale (RPE) has been shown to be a valuable tool for prescribing exercise; however, use of RPE-based exercise prescriptions in field settings has often been problematic because RPE data derived from maximal exercise testing are needed. We describe a simple method for obtaining target RPEs for exercise training from submaximal exercise data. Target RPEs for 50%, 60%, 70%, and 85% VO2 peak exercise intensities obtained using the new method did not differ significantly from those obtained using data from a maximal graded exercise test. The mean difference was less than one RPE unit and was not significant (p < .05). Therefore, the Slope Method appears to be valid for developing RPE-based exercise prescriptions.
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