How to Use RPE for Your Lifting Workouts
by Beth Skwarecki on Vitals, shared by Beth Skwarecki from Lifehacker on (#4F8GQ)

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 it was a lifting day, so I dragged my sore butt into the gym and did my regular workout. And it felt nice and easy,"