Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this ...

If you wake up with tight, painful ankles or feet, that's a sign that your arches are falling — and you may have flat feet. Fallen arches, which are typically related to overuse, are a major cause of ...

Flat feet, or fallen arches, occur when the tendons in the foot and lower leg do not pull together properly, causing the arch to flatten and the entire sole to touch the ground. Here’s how the ...