Unlock the biological secrets to rapid muscle growth by balancing mechanical tension, metabolic stress, and recovery for a ...

Chest exercises after 50, 5 daily moves from a certified trainer to rebuild muscle with less shoulder stress than bench press ...

Plus, exactly how to train to sculpt your muscles.

Researchers have identified the role of the large Maf transcription factor family in regulating fast twitch muscle fibers. A mouse model lacking Maf expression in the skeletal muscles exhibited a ...

Repeated exercise, or wasting, can change the way key genes work.

Let’s get one thing straight: Muscle is muscle. Despite what many fitness influencers may have you believe, there’s no such thing as "lean muscle" or "bulk muscle." It’s all made from the same stuff.

Some workouts leave you buzzing, muscles pumping, and energy on high. Others leave you wondering if you made any progress at all. The difference often comes down to more than just the weight on the ...

There are a bunch of different reasons that serious endurance athletes generally don’t have big pipes. The most obvious one is that they spend a lot of time running and pedaling and so on, and very ...

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 ...