Popsugar Fitness Fitness Tips Best Ab Workout Videos Carve Your Core! 10 Workouts All About Your Abs January 1, 2015 by Jenny Sugar View On One Page Photo 5 of 9 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 10 Minutes to Flat Abs Take 10 minutes to tighten up your midsection and tone your abs and back. No weights are needed for this workout, so no excuses! Previous Next Start Slideshow Fitness TipsWorkoutsStrength TrainingAb Workouts