While there are plenty of fancy gadgets you can use to track your effort in the gym or on a run, there’s one core metric that uses no tech at all: the rate of perceived exertion. RPE in the most basic ...

We all know how important exercise is to our overall health. While putting in the time to exercise is important, you also need to monitor how hard you’re working. One way to track your effort is with ...

A few weeks ago, I interrupted my regular routine of powerlifting workouts to run a half marathon. I raced it all-out, and woke up the next day with a killer case of delayed onset muscle soreness. But ...