Have you ever worked out and watched your muscles grow before your very eyes? You probably have, and while this is a fun, satisfying sight, it doesn't last. What you experienced is known as a muscle ...

Women are the stronger sex, says professional bodybuilder and debut author Anne Marie Chaker. They live longer, their muscles are more fatigue-resistant, and they have the power to create life. But ...

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. Whether you’ve been lifting for years or ...