Although arch-related problems are more common in people with low arches, they frequently develop in people with normal or high arches depending upon how they are used. Movement muscles of the shins, thighs, hips and back normally only fine-tune balance. If arches sag or go flat, they must hold the body in balance over the feet as well as perform their regular work. As a result, they become strained and prone to injury. The foot bones are held in their arched shape by a webbed strapping.
Healing occurs at night.
Re-tearing comes with getting up or with extra hard usage. Repeated tearing and healing create heel spurs. When the foot loses its sideways arch, the skin under the middle toes rubs against the shoe, causing calluses. Tight shoes worsen this condition. The arch can be restored with a flexible sideways arch support put into the shoe.