Popsugar Health & Fitness Workouts Best Crunch Variations Add These 20 Crunch Variations to Your Routine and Chiseled Abs Are on Their Way! 5 August 2018 by Jenny Sugar View On One Page Photo 7 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 T-Cross Sit-Up Begin lying on the floor with your arms out wide to the sides, making a T with your body. Sit up, lifting your right leg, and twist to bring your left hand to your right toes. Slowly roll back down, and repeat on the other side. This completes one rep. Previous Next Start Slideshow WorkoutsAb Exercises