If you're not sure where to start, Woman's World turned to the experts for their best chair exercises for back ... Etter adds that this is an easy way to work your core while sitting down.

Keep your body limber and supple at any age with these full-body stretches. Plus, learn the benefits of stretching as you ...

How to do mountain climbers: Get into a high-plank position with your wrists directly under your shoulders. Keep your core ...