Reps vs. Time Under Tension: A Trainer Explains The Best Way to Build Muscle originally appeared on Men's Fitness. I’ve been a certified personal trainer (C.P.T.) for 15 years. In this ...

Everything you’ve been taught about building muscle and getting stronger might be completely backwards. While you’ve been religiously counting reps and pushing through sets like a human calculator, a ...

Time under tension (TUT) is a weightlifting technique designed to build muscle mass by increasing the time muscles spend activated during an exercise. We cover if it works and what its benefits are.

Should you really slow down your reps in the gym for muscle growth? Does it really matter how long each rep lasts? You might have heard gym buffs and bodybuilders talking about slowing down those reps ...