Popsugar Fitness Workouts Best Ab Exercises For Women Whittle Your Middle With the All-Abs Workout June 15, 2018 by Susi May View On One Page Photo 4 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Lower Abs: Double Crunch Lie on your back on the floor, raising your arms and legs to a 90-degree angle. Engage your abs to lift both your shoulders and pelvis off the ground. Touch your fingers to your toes. Keeping your core engaged the entire time, slowly lower them back to the starting position to complete one rep. Do 20 reps. Previous Next Start Slideshow WorkoutsStrength TrainingAb WorkoutsPilatesBeginner WorkoutsAb Exercises