If you struggle to sit cross-legged, issues like limited hip mobility or weak glutes may be to blame. Here are moves to help.

Sit-ups and crunches both target your core muscles, but work differently. You can use both exercises to build strength, endurance, and control.

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 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 ...