Popsugar Fitness Workouts Postrun Ab Workout After a Long Run, This Is the 9-Minute Ab Workout I Do to Keep My Core Strong May 3, 2019 by Jenny Sugar View On One Page Photo 7 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Elbow Plank With Hip Dips From an elbow plank position, slowly rotate the spine to lower your right hip to just above the floor. Come back to elbow plank. Now lower your left hip toward the floor. This counts as one rep. Keeping your core engaged, complete as many dips as you can in 45 seconds, then rest for 15 seconds. Previous Next Start Slideshow WorkoutsStrength TrainingAb Workouts10-Minute WorkoutsIntermediate WorkoutsAb Exercises