knees, hips, and spine. This helps rule out conditions like rigid flatfoot or others that might cause pain. It's important to note that flat feet themselves are not usually painful. However ...

Flat feet can range from “low arch to no arch ... the joints—not just within the foot and the ankle, but also the knees, hips, and lower back as well,” she says.

supports not only your feet but your knees and hips as well. So if you're looking for an all-around, go-anywhere shoe, the GTS 22 is your best bet. We especially love these shoes for flat feet ...

Lie face up with your knees bent, feet flat on the floor, and arms by your sides. Tightening your glutes and pelvic muscles, press your hips up toward the ceiling and pulse your hips up and down ...