Popsugar Health & Fitness Workouts Weighted Ab Exercises Strengthen Your Core and Start Sculpting That 6-Pack With These 18 Weighted Ab Exercises 11 January 2019 by Tamara Pridgett View On One Page Photo 9 of 18 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 High Knees Hold one dumbbell at chest height and run in place while lifting your knees high to the level of your waist. Engage your abs as the knee comes up, running in place. Previous Next Start Slideshow Dumbbell ExercisesTrainer TipsCore ExercisesStrength TrainingWorkoutsAb Exercises