If you’ve ever thought to yourself during a workout, wow this is super challenging, a 10 out of 10 for sure, you’ve actually been using RPE (rate of perceived exertion) to measure your exercise ...

Okay, so you’ve gotten a few weeks of strength training under your belt and you’ve documented your one-rep-max for those big barbell lifts. To progress toward the next PR, you’ll typically lift a ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. A few weeks ago, I ...

Working out too hard and not working out hard enough can both sabotage your fitness progress. The RPE scale can help you exercise at the right intensity. Fitness progress is all about intensity.

OBJECTIVE: To assess the test-retest reliability (repeatability) of Borg's 6-20 rating of perceived exertion (RPE) scale using a more appropriate statistical technique than has been employed in ...

Running is full of acronyms and if you’ve started getting serious with your training, you’ll have come across a plethora of terms. Amongst HRV, HIIT and VO2 max, you might have encountered RPE or, to ...