Building muscle isn’t as simple as just lifting heavy things and hoping for the best. Gaining muscle is not so much about what you do, but rather how you do it. The same exercise could be used to ...

Scientists discover that muscles repair themselves by moving thousands of internal nuclei, a rapid process that is key after ...

Have you ever taken a break from working out and, when you return, you find yourself getting back in shape faster than it took to get there the first time? Or maybe you learned to ride a bike as a kid ...

MIT scientists find that motor neuron growth increased significantly over 5 days in response to biochemical (left) and mechanical (right) signals related to exercise. The green ball represents cluster ...

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 ...