What does Borg's Scale of RPE assess?

Borg's Scale of Rate of Perceived Exertion (RPE) is a tool used to measure an individual's subjective assessment of how hard they feel they are working during physical activity. It is a scale typically ranging from 6 to 20, where individuals rate their perceived exertion based on physical sensations such as effort, fatigue, and breathlessness. This scale is valuable because it allows for a personalized understanding of exercise intensity that can differ from person to person, regardless of their actual heart rate or fitness level.

This subjective measure can help instructors gauge how participants are feeling during workouts, allowing them to modify intensity appropriately. Unlike measures that rely solely on objective data, Borg's Scale takes into account individual perceptions, making it a pertinent tool in group fitness settings.