Popsugar 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 November 8, 2019 by Tamara Pridgett View On One Page Photo 1 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Forearm Plank Hip Dip From an elbow plank, slowly rotate the spine to lower your left hip to just above the floor (about one to two inches from the ground). Come back to elbow plank. Now lower the right hip toward the floor. This counts as one rep. Complete 10 reps. Previous Next Start Slideshow RihannaWorkoutsStrength TrainingWorkout MusicAb WorkoutsCore Exercises10-Minute WorkoutsIntermediate Workouts