Before revision: In sports, health and particularly exercise testing, the rating of perceived exertion (RPE), as measured by the Borg rating of perceived exertion scale, is a frequently used quantitative measure of perceived exertion during physical activity.
After revision: In sports, health , and exercise testing, the rating of perceived exertion (RPE), as measured by the Borg rating of perceived exertion scale, is a quantitative measure of perceived exertion during physical activity.