While ab exercises like the situp and crunch tend to get all the glory, there are plenty of other moves that work the region just as effectively. And there is something to be said for adding variety ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." All it takes is a tweak or two, and virtually any exercise for any muscle group can instantly become a ...

Sit-ups may seem like a basic and simple exercise. After all, to do this classic exercise, you just have to lie on your back with your knees bent and feet flat on the floor, raise your torso towards ...

Sit-ups, crunches, and planks probably have a regular spot on your strength schedule. But V-ups can take your core-strengthening workout up a notch, thanks to the range of motion the move requires.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. It’s kind of strange, ...

Core muscles wrap around the midsection like a girdle, forming a connecting link between the upper and lower body. They support, stabilize, and help move your spine, trunk, and pelvis, and most body ...

The classic sit-up is a workout staple. Whether you've become all too familiar with the movement in your weekend HIIT class or eked out those last few reps while following a home workout video, you've ...