This 10-minute morning circuit activates deep core and glutes to help tighten your waist after 50, no gym required.

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

While classic core exercises like sit-ups and crunches are certainly an effective way to train your abs, they are not the only way. If you prefer to stay standing for your workouts, then this ...

Our abdominal muscles are more than simply about aesthetics though. They’re a key part of our core and enable spinal flexion ...

Strengthen your core & shoulders in 10 minutes with this FeetUp yoga class! Build upper body strength and tone your abs with ...

Celebrity trainer Yasmin Karachiwala recently shared a 10-minute Pilates routine designed to give your body a complete reset ...

Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no equipment. To find out for myself, I unrolled my yoga mat and gave it a go ...

When most people think of core exercises, they think crunches and sit-ups – possibly because the tactical professions have used them for decades. But given recent changes in military testing, the next ...