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.

Plus, exactly how to train to sculpt your muscles.

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

Still dealing with a tight hip or weak glute—despite all the foam rolling, stretching, and strengthening? Or, maybe you’ve had an injury that keeps flaring up, even though you thought it was finally ...

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 ...

Humans have long glamorized suffering, hailing it as an essential ingredient of growth. In the ancient Greek tragedy Elektra, Sophocles wrote: “Nothing truly succeeds without pain.” In the 1980s, the ...

One finding shows up again and again in hypertrophy research: when weekly training volume climbs, muscle growth tends to ...

This is read by an automated voice. Please report any issues or inconsistencies here. When you walk into a gym, you’ll see lifters meticulously counting sets, tracking reps and stacking plates. But ...

Ever taken a long break from the gym, whether because of an injury, burnout, or just life, and found that your body still remembers how to move? Maybe your form clicks back into place, or the strength ...

As longevity science has entered the wellness zeitgeist, experts have worked to popularize the idea of healthspan over lifespan—the number of years you thrive, not just survive. And when it comes to ...