Have you ever worked out and watched your muscles grow before your very eyes? You probably have, and while this is a fun, satisfying sight, it doesn't last. What you experienced is known as a muscle ...

When heart muscle gets damaged, the result is often permanent. Unlike other muscles in the body, the heart has long been believed to lack the ability to heal itself. But recent research suggests that ...

There is no shortage of hacks and pre-workout supplements for gymgoers aiming to achieve the sought-after “muscle pump.” Social media, particularly the #FitTok and #GymTok hashtags on TikTok, is ripe ...

OLD-SCHOOL BODYBUILDERS will tell you that the most surefire way to build muscle and feel the effects of your effort is the pump. The swollen sensation that comes when your target muscles are engorged ...

As I’m typing these words, I don’t think about the synchronized muscle contractions that allow my fingers to dance across the keyboard. Or the back muscles that unconsciously tighten to hold myself ...

Here’s one of those weird-yet-fascinating, quirky-yet-perhaps-helpful research findings: People who clench their muscles—by, say, making a fist or tensing their biceps—show a brief spurt of improved ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...