What is the relationship between barefoot running and plantar fasciitis? In the research by Liebermann et al published in Nature , in the discussion they made the somewhat remarkable claim that: “Furthermore, many running shoes have arch supports and stiffened soles that may lead to weaker foot muscles, reducing arch strength. This weakness contributes to excessive pronation and places greater demands on the plantar fascia, which may cause plantar fasciitis.” As their research results was not about this, you would expect them to cite a reference to back up that claim
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Plantar fasciitis and barefoot running