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 ...

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 ...

When you think of progressing as a runner, you probably think about getting faster and/or going farther, but there’s another variable to consider: running intensity. To Steve Mura, manager of runner ...

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, ...

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 ...

In a follow-up to my last column (“Differing perceptions of training intensity,” (Aug. 3), I’d like to give readers some tools to address the concept of training to proper intensity in order to ...