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Medical Term:

rating of perceived exertion

Pronunciation: rāt′ing pĕr-sēvd egz-ĕr′shŭn

Definition: Subjective numeric rating (range 6–19) of exercise intensity based on how a subject feels in relation to level of physiologic stress. An RPE of 13 or 14 (exercise that feels “somewhat hard”) coincides with an exercise heart rate of about 70% maximum.