Gone are the days of busting out 50 crunches as standing ab workouts are taking up more space in people's training programs.

This standing ab workout, however, is perfect for adding a little variety to your core workouts and is just as effective (if not more) as those floor-based exercises. Just grab one dumbbell ...

A strong core is essential for any fitness pursuit. If you want to run a faster 5K, deadlift hundreds of pounds, or finally ...