These four standing exercises for deep core muscles will work more than just your abs, and focuses on boosting posture, ...

The starburst side plank variation strengthens the shoulders, abs and obliques. Here's why we love it at Tom's Guide.

These 5 chair exercises target lower belly fat after 50. Easier on joints than sit-ups and more effective. Get started today.

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

Unlike a crunch or sit-up, where you bend through the spine, the dragon flag keeps your body completely straight and rigid as you lift and lower your legs under control. That means your core stays ...

Ellipticals, captain's chairs, and the decline bench are just a few of the best gym machines for ab strength. Here's your ...

These are the best lower ab workouts for women to strengthen the deep core muscles and lower stomach. This women's lower ab workout from a trainer gets results.

Develop your core with Bruce Lee's intense ab workout. Exercises like waist twists and leg raises can help you build strength ...

Bodybuilding legend and former four-time Mr. Olympia Jay Cutler broke down his latest back and abs workout at 52 years old.

In TODAY.com's Expert Tip of the Day, a trainer reveals what it really means to work your deep core and why it's important ...

Helen O'Leary, director and clinical director at Complete Pilates explains that the reformer consists of a “sliding flat ...