If you suffer from foot supination (also known as underpronation), you could benefit from an orthotic. Few people have perfect feet, but if you have foot, knee, and hip pain when you walk, you need correction. Supination is not as common as overpronation. You may need to see a podiatrist for diagnosis and treatment. Here is more information about supination, its difference from overpronation, and ways orthotics may help. What Is Supination?