For older adults with mobility or balance issues, or those recovering from injury, this 20-minute core workout routine can help you build strength while sitting.

Be sure to use a sturdy chair that doesn't have wheels. (Get a flat belly in just 10 minutes a day with our reader-tested exercise plan!) Jumping Jack ...

Dana Santas, a mind-body coach for pro sports teams, shares a short but surprisingly challenging workout that will help you beat the winter blues. The at-home routine strengthens your core using ...

I actually found doing chair crunches more challenging than V-crunches on the exercise mat, perhaps because my core was working harder to stabilize my body which was a lot higher off the ground.

Trainer Roxie Jones shares a kettlebell workout for back, forearms, and core that will leave your entire upper body feeling strong.

The Tao Chair is like an Eames Lounge chair but with fitness sensors running through its veins. When its owner sits down, he or she can do an array of core exercises using the chair's armrests.

Try these leg exercises using only your kitchen table and chair.

If you've been blowing off your workout because you don't have time to go to the gym, you no longer have that excuse. All you need is a chair to get a full-body, barre-inspired workout. The ...

These are the five scientific best ab exercises, according to a new study that tested muscle activity during various core exercises.

Some ab separation during pregnancy is inevitable, but doing safe ab exercises to prevent diastasis recti can help you stay strong and relieve low back pain.