Popsugar Health & Fitness Workouts 10-Minute Ab Workout to a Rihanna Playlist Set Your Timer For 10 Minutes Because It's Time to Work Your Abs to This Rihanna Playlist 30 October 2019 by Tamara Pridgett View On One Page Photo 3 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Seated Russian Twist Sit on the ground with your knees bent, pull your abs to your spine, and lean back a few inches while keeping your back straight. Hold your hand at your chest, and twist your torso to the right, then to the left to complete one rep. Complete 10 reps. Previous Next Start Slideshow Workout MusicIntermediate WorkoutsCore ExercisesAb Workouts10-Minute WorkoutsStrength TrainingWorkoutsRihanna