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 ...

Denise Austin shared her “key” to feeling “young” and “strong” at 68. The fitness mogul keeps her fitness routine simple but effective. “Flex your muscles!! If you don’t use them, you’ll lose them,” ...

Aging, nutrition and lifestyle affect muscles, especially after age 40. That's why Matt Ryan, former professional quarterback and MVP, is teaming up with Abbott (ABT) to drive muscle health awareness ...

Run a finger down the center of the forearm, curl the fingers, and flex the wrist. For many people, a thin cord jumps into ...