In the thrilling world of fitness and wellness, we're often bombarded with numbers: reps, sets, calories burned, heart rate..

RPE What It Means; 0-1: No exertion. You're completely at rest. 2–3: Light exertion. This should be your level when stretching. 4–5: Moderate exertion.

A personal trainer shares what the exercise rate of perceived exertion means and how it can help you boost performance and avoid injury.

10 RPE: This is your complete exhaustion-level effort, which you’d only hit during the end of a race, a competition, or a personal best lifting test. “When you’re at a 10, ...

“RPE is highly subjective and can be influenced by mood, external stressors or even motivation,” says McCleary. “This means its accuracy can vary from person to person or even from day to day.