Improve your upper body workout with 10 overlooked exercises that build more strength, size, and balanced muscle.

Fascia influences pain, mobility, and skin health. Experts explain why it’s often overlooked and how it shapes the way the body functions.

You’ve probably heard the phrase “muscle memory” thrown around at some point, but it might not mean what you think it does. In fact, many everyday exercisers misunderstand the concept of muscle memory ...

Whether you want to achieve or avoid a muscular look, you should know how muscle changes your body for the better. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a ...

Plus, studies show that a high-protein diet can help with losing fat and gaining muscle at the same time. Research shows that, while in a calorie deficit, consuming more protein than you normally ...

In an international study, researchers at Lund University in Sweden have identified a gene variant that controls the body's ...

Sitting, standing, and moving between the two seem almost involuntary, but your body's muscles are working hard to make these motions happen. Your skeleton has over 600 muscles attached, and many of ...

The exponential rise of our aging population. The pandemic. The explosion of GLP-1s. It’s a trifecta that’s making muscle — and the serious implications of not having enough of it — part of a larger ...

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.

When hip and knee pain strike, many runners suspect it’s their iliotibial (IT) band. While this thick band of tissue is a common culprit for hip and knee pain, there may be another muscle at play: the ...

Bedtime routine for muscle tone after 50, a CSCS shares a 7-minute night reset to activate glutes and core without a gym.