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 ...

When was the last time you cranked out a set of sit-ups? Chances are, it was during elementary school P.E., probably while dreading the infamous Presidential Fitness Test. But don't let those memories ...

Sit-ups have seemingly been a staple in our training programmes since time began. Despite their omnipresence, they are ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Bored of planks and crunches? Why not try mixing things up with a killer ab ...

When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While sit-ups have long been a go-to for strengthening the core, they're not always ...

While typically filed under the “core move” category, sit-ups do more than fire up your midsection. “Sit-ups are more intense and target more muscles than a traditional crunch,” Alison Staples, coach ...

The main difference between sit-ups and crunches is the range of motion involved in each exercise. Sit-ups require you to lift all the way up, while crunches require a slight lift off the ground.

Core strength testing has come a long way from the straight-legged, twisting sit-ups used before World War II. We've moved on to bent-knee sit-ups, to crunches and now to the plank pose or hanging ...