In the Middle Ages, people walked by stepping on the ball of their foot first. We step on the heel of our foot first:
Fanatic Cook
In the Middle Ages, people walked by stepping on the ball of their foot first. We step on the heel of our foot first:
Fanatic Cook 
My 2 cents on this … the heel evolved to take impact. This must be a local adaptation to something in the environment. Maybe poor footwear combined with harder surfaces? Or maybe it was just fashionable?
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