Popsugar Fitness Workouts Halle Berry Ab Workout Review I Tried Halle Berry's Ab Workout, and Damn — Intense Is an Understatement February 19, 2019 by Tamara Pridgett View On One Page Photo 7 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Alternating Knee Tuck If this move is too hard, you can perform it lying on the ground. Another option is to do seated knee tucks. Complete 20 reps. Previous Next Start Slideshow Halle BerryWorkoutsCelebrity FitnessStrength TrainingAb WorkoutsEditor ExperimentsIntermediate Workouts15-Minute Workouts