eli5: Why are flat feet generally worse than arched feet, when you have more surface area making contact with the ground?

Question

eli5: Why are flat feet generally worse than arched feet, when you have more surface area making contact with the ground?

In: 191

Answer 1

If you have flat feet the muscles in your feet are essentially non existent therefore you have no support. Making the rest of your structure work extra and improperly leading to more issues.