However, a close examination of the detail of the wear pattern can be very interesting. The forefoot drops, allowing the foot to land more evenly. Excessive wear in the forefoot can indicate the foot is unstable as it moves through the gait cycle. While a certain amount of movement, or pronation, is a healthy thing, too much can lead to a wide variety of injuries. They fit many runners with orthotics, ridding them of nagging injuries based on the premise that orthotics can help provide the support and balance required to cope with the demands running places on the body.
Shoes can sometimes actually be the culprit in running injuries.
Usually a blister will form under the toenail when the shoe is too small. Runners need to remember that our feet grow as we get older. Gravity takes it toll, flattening the arch, thus lengthening our tootsies. We ought to be aware that our running shoe size may differ from our regular shoe size, and one foot may be larger than the other. It's the fit that matters, not the number on the box.