Seated Knee Raises This exercise focuses on the core, strengthening the abdominal muscles without the need for traditional ...

Medically reviewed by Amy Kwan, PT Inactivity is harmful to your health, which can be a problem for those who spend most of ...

Place your palms flat on the chair, with your fingers pointing in the direction you're facing. Keep your heels on the ground ...

This works your abdominal, your lower back and your ... and back or just place your hands on the back of your chair. This combination of exercises works your total body and gets your heart rate ...

Using a captain’s chair or a seat-less chair with back ... According to the study, the third most-effective abdominal exercise was the simple crunch, but on a medicine or balance ball.