In the fitness world, a common question among athletes, gym enthusiasts, and beginners is: how often should I train each muscle group to get the best results? The answer, while seemingly simple, is ...

Building an effective workout routine isn’t just about showing up at the gym. One of the most important decisions you’ll make is how to split your training across the week. Trainers emphasize that ...

When it comes to building muscle—or any fitness routine, for that matter—most people assume that more is more. More sets, more reps, more time in the gym must mean more gains. Right? From there, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." POP QUIZ: HOW many reps and sets should you do per exercise to build muscle? If you’re in the know, ...

This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. Sign up here to get it in your inbox. Despite what many workout equipment ...