Many times when I am prescribing an exercise program for patients, it includes a combination of both walking and running. I have often been asked the question of the appropriate footwear for each activity. To many people, walking and running seem very similar. But when you look closely at the two activities and the demands they place on your feet and your footwear, the two are really quite different. The differences between the two activities create a need for, and design of, two very different styles of shoes. But before we get to the shoes, let’s take a look at walking and running and the body mechanics involved with each.