A simple yet powerful movement trusted by U.S. fitness experts to boost core strength, stability, and athletic performance.

In TODAY.com's Expert Tip of the Day, a trainer reveals her favorite exercise for a more defined waistline and strong core ...

A slimmer waist is a goal I hear from many clients — especially this time of year. While strengthening and toning the midsection is beneficial for many reasons, I always like to remind people that ...

For many people, the first place excess fat accumulates is around the middle—which is also the hardest place to lose fat. In addition to it being annoying, having excessive abdominal fat is linked to ...

Ditch planks and rebuild core strength after 50 with 4 daily moves that train rotation, balance, and real-life stability.

Becoming a stronger, more resilient runner isn’t just about the miles you log. Each exercise you do in your off-road workouts can help build a body that’s better able to handle those miles. One prime ...

If you’ve been watching popular shows and scrolling through #FitTok lately, there’s a very good chance you’ve seen lots of cinched waists—including the corseted costumes in hit series like “Bridgerton ...