The American College of Sports Medicine recently released new resistance training guidelines—its first update in 17 years.

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 ...

It's well known that spaceflight causes muscle atrophy and other biological changes in reduced gravity, and especially in ...

Muscle growth is more than just moving heavy weights—it's a complex biological response. In this video, we explain how resistance training creates micro-tears in your muscle fibers, triggering a ...

Researchers find that a gut bacterium may influence muscle strength and fitness, opening the door to probiotics that support ...

Looking to build muscle but feeling overwhelmed by conflicting advice? We got two top trainers to break down exactly how to structure your weekly workouts for maximum gains. Whether you’re a gym ...

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.

Most humans move a lot less than our ancestors did, a change in use which is likely reflected in the composition of muscles themselves. Understanding our muscle makeup is a key step towards improving ...

An international team of researchers has identified an intestinal bacterium that could play an important role in maintaining muscle strength, a discovery that could pave the way for the development of ...