Forget endless crunches. After 50, the real secret to a flatter, stronger midsection is training on your feet — where your core actually works the way it was designed to.

While exercises like sit-ups and crunches work the rectus abdominis, or "six-pack" muscles, this simple-looking exercise ...

I grew up doing my mom’s Jane Fonda workout videos with my sister in our living room. If you’re in your late forties, you’ll remember the crunch was king back then—the more, the better! When I wasn’t ...

Build a strong core without lying on the floor using this trainer-approved three-move abs workout for beginners.

The power of a plank is more than you imagine. It can improve your health when done correctly. An expert shares tips on the right form, timings, common mistakes to avoid, and more.

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. “Right to the core,” “core values,” and “hardcore.” These little idioms highlight just how vital the concept of “core” is in our lives ...

Lately, my core routine has felt staler than week-old sourdough bread. Sure, classic moves like crunches, Russian twists, and planks are great (and effective!), but in order to reap the gains of ...

Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." That's why it pays to dedicate ...

Runners often forget about the power of the core for performance. This group of muscles—which spans from below your chest through your hips, taking up your entire torso—helps you transfer power ...