When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty/Ben Welsh If you’ve never heard of RPE before, it simply stands for Rate of ...

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 ...

Maximize results and prevent injuries by fixing these common workout errors.

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 ...

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 ...

Since there is no one-size-fits-all approach to exercise, it helps to have a personalized rating system that allows you to keep track of your own workout. After all, a casual jog for one person might ...

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 ...

Fitness intensity can be one of the most subjective areas of working out. From “rate of perceived exertion” (or RPE) to the famous “runner’s high” or getting “in the zone,” these metrics can, at best, ...