Experts have revealed how many sit-ups you should ideally manage at your age — and the numbers may surprise you.

It’s kind of strange, if you think about it, that the sit-up should be a thing in the first place. In what world would we have to lie down and sit up repeatedly, until our bellies are sore? What are ...

It is a well established fact that losing weight overall will help you get a flat tummy. But there are certain exercises that target belly fat. One of them is sit-ups, which can strengthen the ...

Sit-ups often come to mind when you think about working your abs or strengthening your core. It’s one of the most old-school, well-known exercises for ab-shredding, but recently, it’s become less and ...

If you’re a little hazy on the difference between sit-ups vs. crunches, you’re not alone. They both strengthen your core, but the details on how they differ and the benefits of each can be confusing. ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." If your body were a bicycle, your abs and back muscles—your core—would be the frame. You need a ...

Q: I have heard that doing sit-ups and crunches does not burn stomach fat and that they in fact build muscles underneath the fat, thus making your stomach look bigger. An exercise equipment salesman ...