For years, sit-ups were considered the ultimate ab exercise. But modern research shows they’re not the safest or most ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images If you have 10 minutes to spare and a couple of dumbbells to hand, then this ...

Unlike a crunch or sit-up, where you bend through the spine, the dragon flag keeps your body completely straight and rigid as you lift and lower your legs under control. That means your core stays ...

I HAVE A bad workout habit: I constantly skip my abs. I plan to tack sets of core-centric exercises on to the end of my gym sessions, but my impatience wins out. The clock seems to tick louder and my ...