Do you need to strengthen your core? If you've ever had a baby, if you spend a lot of time sitting, if you have pain or soreness, if you have a fitness goal or want to move safely and efficiently ...

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 ...

Strengthen your core after 55 with 4 chair drills that train rotation, lower abs, and anti-rotation without floor strain.