"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." THE WORST THING you can do in the gym? Go through the motions. Use the same weight for the same number of ...

Hypertrophy is the increase in size and volume of muscle cells through a specific type of resistance training. Trainers ...

“People get focused on the weight on the bar because of the term ‘load’ in progressive overload,” says Norton, but more reps ...

A new study challenges one of strength training’s longest-running debates. The rep debate has been raging in gyms for decades. Should you lift heavy for fewer reps? Go lighter for higher reps? Can you ...

Strength training and weight training are often used interchangeably. While they overlap, key differences in technique and ...

Weightlifting lore—which is more inclusive than it sounds—dictates that if you’re looking to build size, the smart money is on forcing your muscles to adapt by testing them with increasingly heavy ...

If your lifting routine has gone stale and you’re looking for a way to shake it up, let me introduce you to the pyramid set. While you typically increase volume, weight, or reps to make a session more ...

Here's everything you need to know to get started packing on muscle with dumbbells, kettlebells, and barbells.

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. Ever since man first picked up heavy ...