Muscle mommies challenge the stereotype that motherhood and fitness can't coexist. These powerhouse women lift heavy, eat ...

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 ...

Hold your hand in front of you, palm up and fingers splayed. Now bend your fingers at their first joint past the knuckles. Your hand should look a bit like a spider on its back, curling up its legs — ...