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Mathematician identifies new tricks for the old arch in our foot
Walking and running subjects our feet to forces in excess of body weight. The longitudinal arch of the feet was thought to be the reason the feet do not deform under such load. However, researchers have illustrated that the transverse arch may be more important for this stiffness.
www.sciencedaily.com
And a very good reason to make the footprint and the insole congruent.
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