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 ...

Fitness in 4: No sit-up abs Even if you don't want a six-pack, it's important to have a strong core for mobility. Elite Fitness Professionals CEO Joe Hunt shows us how to work on those abs - with no ...

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 ...

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 ...

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 ...