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 ...

When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While ...

How to do it: Stand with your back to the wall, feet shoulder-width apart. Place your hands lightly behind your head. Slowly ...

To add this three-step Turkish get-up to your next core routine, sub it in anytime you might do a sit-up. Here’s how to perform it properly: Mallory Creveling is an ACE-certified personal trainer and ...