Popsugar Health & Fitness Workouts 7-Minute Ab Routine Ditch the Crunches and Do This Game-Changing, 4-Move Workout For Sexy Abs 4 June 2018 by Tamara Pridgett View On One Page Photo 2 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Forearm Plank Hip Dips 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. Repeat for 45 seconds. Previous Next Start Slideshow Fitness TipsBodyweight ExercisesBeginner WorkoutsCore ExercisesAb WorkoutsStrength TrainingWorkoutsAb Exercises