Squat University - If you put your foot in a shoe that is narrow at the end, it will often eventually negatively adapt and take on that shape. Why is this important
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Fix flat feet and fallen arches (foot strength exercise) - the Arch Raise exercise for flat feet - YouTube
![Two year long case study demonstrating an increase in arch height from running in minimalist shoes. - Dr. Nick's Running Blog Two year long case study demonstrating an increase in arch height from running in minimalist shoes. - Dr. Nick's Running Blog](http://www.drnicksrunningblog.com/wp-content/uploads/2014/04/20140412-083828.jpg)