Kill two birds with one stone (dumbbell) in as little as 15 minutes using this trainer's abs and arms strength building workout.

They’re often lumped together as “ab exercises,” but crunches and situps aren’t the same thing — and choosing the right one can impact your results (and your spine). So, if your goal is stronger abs, ...

This Is the Best Workout Move for Core Strength, No Crunches Required originally appeared on Parade. Aesthetic reasons aside, having strong and stable abdominal muscles is important for several major ...