"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." This 20-minute abs workout is part of the Women's Health 30-Day Workout Challenge. For this part of the ...

Think endless sit-ups are the secret to toned abs? Top trainers say you’re wasting your time — and there’s a smarter way to build real core strength.

Abs. What guy doesn’t want a chiseled core? Sure, your diet plays a massive role in getting shredded, but hitting both the showy six-pack muscles and the deeper stabilizers matters just as much. The ...

Bicycle crunch Like the plank, the bicycle crunch works all of your major core muscles. To do this exercise, lie on your back with your feet on the floor and your hands behind your head. Contract your ...

Editor’s note: Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book “Practical ...

This dynamic plank variation is redefining how Americans build core strength, balance, and upper-body endurance—without ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? I'll admit, I sometimes sigh when an instructor cues up a plank. I know, they ...

(CNN) — If you’re like most people, when you hear the word core, you probably think of six-pack abs. But your core is so much more than that — it’s the powerhouse that stabilizes, supports and moves ...