Then 'shorten' the foot by pulling the toes toward the heel, drawing up the foot arch.

Moreover, humans have a foot arch rather than flat feet.

These enzymes can break down the constituents of the involved tendons and cause the foot arch to fall.

Humans have stiff foot arches, which support an upright walk.

Over the years doctors prescribed foot arches for my feet, pills for headaches, a diet for excessive weight and breathing exercises for a stuffy nose.