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 ...

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 ...

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

Hierarchical structure of muscle and activation of thin filaments. In both skeletal and cardiac muscles under a relaxed state, a low intracellular calcium ion concentration is maintained and the ...

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 ...