Ready to go beyond crunches, Russian twists, and planks? Try this 20-minute core workout programmed by a trainer for an advanced six-move core workout.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." I love working out, and a good workout challenge is even better. When I had the opportunity to try model ...

I’m suspicious of any workout that promises to deliver results in a short amount of time. I’ve never been one of those people who could hit the gym hard for a week and see a change in my body. Any ...

Confession: I'm a certified personal trainer, but I absolutely dread core work. (Anyone else?) My loathing could be because my core has always been one of my weakest muscle groups, or the burning ...

Let’s cut through the noise. Everyone wants to know how to get abs fast, but the truth is that most people are looking for shortcuts that don’t exist. Whether you’re doing 100 sit-ups a day or ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? There's no feeling quite as satisfying as finishing a sweaty, spicy abs ...

Skip long planks. These 5 no-equipment core exercises build stability, strength, and definition with smart, full-torso ...

Medicine balls are small, weighted exercise equipment great for strengthening your abs and core. Though you can use just one weight, using multiple sizes can make the workouts more versatile. It's ...

Strengthen your core and slim your midsection with these five simple chair exercises that target your abs safely after 60.