This question has options. How would someone go about accomplishing this goal?
Learn how to do a proper stomach crunch.

pick from the following.
a). Lie on your front with your knees bent and feet flat on the floor, hip-width apart, slowly contract your abdominals, bringing your shoulder blades 2 inches off the floor and you are done.
b). Lie on your back with your knees bent and feet flat on the floor, hip-width apart, slowly contract your abdominals, bringing your shoulder blades 2 inches off the floor and you are done.
b).