This is one of the best abdominal workouts ever. Do it Everyday! Fitness Model Vicky Justiz is showing you a great abdominal and core workout to get a sexy stomach. For this workout she’s using planks. Planks are one of the best ways to workout your midsection: Rotation Planks, Press Planks, Planks leg raises, Plank v-ups, Plank in and out, and hip raises.