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 ...

This is read by an automated voice. Please report any issues or inconsistencies here. When you walk into a gym, you’ll see lifters meticulously counting sets, tracking reps and stacking plates. But ...

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.

When it comes to training, sometimes faster isn't always better. Slowing it down can get your muscles fired up in a big way. The Irish Yank takes us through a “time under tension” workout.

Decades before sports science caught up, lifters were using 21s to build size through partial reps, stretched positions, and relentless time under tension. The method spread quickly because it was ...