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From Fellrnr.com, Running tips
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The design and selection of most running shoes does not match the available science, and understanding this will help you know [[What to Look for in Running Shoes]]. The commonly held beliefs follow this logic: Runners get injured due to impact and excessive [[Pronation]], running shoes reduce impact and pronation, and therefore running shoes reduce injury. Unfortunately, every part of this rationale seems to be flawed. There are other aspects of shoe design, such as the raise heel or arch support that have even less evidence to support them.
* '''Injuries due to impact. '''There is surprisingly little evidence that impact forces cause injuries, and there is even some evidence that lower impact forces are associated with higher injury rates. It's been suggested that excessive impact can result in injury, while more moderate impact can produce important adaptations that are necessary for improved performance.
* '''Injuries due to over pronation. '''The science around [[Pronation]] and injury rates is quite mixed. Part of the problem is science does not generally look at pronation directly, but uses arch height with the assumption that low arches pronate more. There is some evidence that high or low arches have slightly higher injury rates, or that different arch heights have different patterns of injury.
