Sit-ups can be a great way to strengthen your abdominal muscles that sit around your stomach. But they can quickly get repetitive and its easy to accidentally lose your form, so when boredom strikes, ...

Build a lean, strong core with five bodyweight routines for power, balance, and endurance. No equipment. In 10 to 15 minutes.

Strengthen your core and slim your midsection with these five simple chair exercises that target your abs safely after 60.

All it takes is a tweak or two, and virtually any exercise for any muscle group can instantly become a core movement as well. It's all about positioning. One great example of this is the V-sit ...

If you’re a little hazy on the difference between sit-ups vs. crunches, you’re not alone. They both strengthen your core, but the details on how they differ and the benefits of each can be confusing. ...

Core muscles wrap around the midsection like a girdle, forming a connecting link between the upper and lower body. They support, stabilize, and help move your spine, trunk, and pelvis, and most body ...