If you’re deciding between slow and fast reps, here are the benefits of each. Faster reps have the advantage of reaching muscular fatigue, or failure, more quickly, which is key to muscle growth.

The Benefits of Fast Reps. Fast reps, as the name suggests, are reps that put muscles under tension for less time but allow you to do more during your workout and use heavy weight without suffering to ...

What are slow-twitch muscle fibers and fast-twitch muscle fibers, ... fewer reps and “big lifts” like deadlifts and bench presses to build stronger, more powerful muscles.

In the meantime, the study offers some useful insights. Slow-twitchers probably need to do more reps than fast-twitchers to get a comparable stimulus. Three workouts a week trumps two for muscle size.

But don't worry -- you can train to change the amount of slow- vs. fast-twitch muscles you have, ... Lift lighter weights for 12 or more reps, or do bodyweight exercises. Training for fast-twitch.