Popsugar Fitness Workouts 2-Minute Ab Workout Take 2 Minutes to Flatten Your Abs With This Ultrafast Workout June 25, 2018 by Dominique Michelle Astorino View On One Page Photo 3 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Forearm Plank Hip Dips: 30 Seconds 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. Do as many reps as you can for 30 seconds. Previous Next Start Slideshow WorkoutsStrength TrainingBodyweight ExercisesBodyweight WorkoutsGIFAb WorkoutsGIF ExercisesIntermediate Workouts5-Minute WorkoutsAb Exercises