Foot & Ankle Foot & Ankle Patient Education 2555 Ankle Sprain Most people have twisted an ankle at some point in their life. But if your ankle gets swollen and painful after you twist it, you have most likely sprained it. 20350 Tendonitis The most common cause of tendonitis is overuse. Commonly, individuals begin an exercise program, or increase their level of exercise, and begin to experience symptoms of tendonitis. 2380 Heel Pain Heel pain is the most common problem affecting the foot and ankle. Every mile that the average person walks places 60 tons of stress on each foot. 9184 Hyper-Pronation Pronation is a common abnormality in many people which means that you have flat feet. While standing, people who hyper-pronate will have collapsed arches or very little arch that is noticeable. Share this page!