Popsugar Fitness Workouts Tone Your Abs Without Crunches The 25 Best Exercises to Tone Your Abs (and None of Them Are Crunches) June 1, 2020 by Susi May View On One Page Photo 20 of 27 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 20 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. To complete one rep, jump your feet back to plank. Repeat on the other side and continue alternating sides for 20 reps total. Previous Next Start Slideshow WorkoutsStrength TrainingAb Exercises