Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Build bulletproof core muscles using these three exercises without weights, ...

For years, sit-ups were considered the ultimate ab exercise. But modern research shows they’re not the safest or most effective way to build true core strength. Experts now recommend exercises that ...

No offense to sit-ups, planks, and hollow holds, but basic core exercises can feel drab day after day. They work the abdominals, but if you’re looking for stronger, sculpted abs, let me introduce you ...

I don't have any real issue with sit-ups, but my tailbone isn't a fan. The good news is you don’t need to do sit-ups to build ...