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 ...

The fitness mogul keeps her fitness routine simple but effective. “Flex your muscles!! If you don’t use them, you’ll lose them,” she wrote. You may have noticed that Denise Austin’s signature pose is ...

Most robots rely on rigid, bulky parts that limit their adaptability, strength, and safety in real-world environments. Researchers developed soft, battery-powered artificial muscles inspired by human ...

Although male kangaroos do appear to flex their muscles to show off their impressive figures, researchers in a 2013 study said it is not currently possible to determine whether or not such behavior is ...

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 ...