Popsugar Health & Fitness Workouts Lower Ab Exercises These Lower Ab Exercises Will Make You So Sore, It'll Hurt to Laugh! 7 March 2018 by Jenny Sugar View On One Page Photo 9 of 23 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Plank With Bunny Hop Begin in a plank position with feet touching. Pull your abs in, and jump your feet to the right, bringing your knees toward your right elbow. Your torso will twist to the right. Jump your feet back to plank. Repeat on the other side to complete one rep. Previous Next Start Slideshow WorkoutsAb Exercises