“Flat feet,” also referred to as pes planus, is a common foot condition that affects as many as 1 in 4 people throughout their lifetime. When you have flat feet, the arch bones in your feet are low to ...

About 25 percent of the population has a condition called flat foot, a collapse in the arch of the foot. It can cause pain in the ankle, heel or leg and eventually the knees, hips, and back. But now ...