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 ...

RPE, or Rate of Perceived Exertion, is changing how lifters approach strength training. Instead of sticking to rigid percentages, it adapts your workout to how you feel that day, balancing effort and ...

Within strength training, it is common practice to lift weights at a prescribed load based on one’s repetition maximum (1RM). This is highly effective, as loads directly correspond with the number of ...

Fitness progress is all about intensity. You'll only get faster if you practice running faster, and you'll only get stronger if you keep adding more weight. It's the basic rule of progressive overload ...

Add Yahoo as a preferred source to see more of our stories on Google. Walk into almost any gym, and you’ll notice a familiar pattern across the weight room. Some lifters treat every set like a max ...

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 ...

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 ...