Orthopedic Shoe Modification Customizing the fit of the shoe can often solve the foot problem. Orthopedic shoe modification by trained staff can aid in providing you with the help you need. It is a fact that the position of bones in the feet actually changes as we age. Moreover, research shows that many back problems result from foot imbalance or from one leg being longer than the other. Something as simple as a lift in or on the shoe can be an effective solution.