No, not sit-ups! All you need is 12 minutes to shred your core and boost stability

Strengthen your abs and obliques with this 12-minute core circuit that you can do anywhere without any equipment bar a yoga mat.

No, not crunches: Try this 8-minute 'secret' workout to build a strong and stable core over 50

This eight-minute workout is the secret to firing up your core muscles and building strength and stability in your midsection ...

Over 70? Try this trainer-approved 15-minute resistance band routine to stay strong, steady and mobile

If you want to build strength and mobility without putting pressure on your joints, this trainer-designed full-body ...

This Easy Morning Habit Can Help You Feel More Awake and Focused

Dr. Ascher suggests trying this in the morning as a way to get your blood pumping and to feel more alert, or as a warmup for ...