In this article, the authors present essential anatomy in the presence of the postural flat foot. There is a recognition of static versus dynamic stabilizers of the foot. In the continuum of the collapsed foot, there is an exploration of anatomic and pathologic changes. Providing this fundamental knowledge will allow the reader to appreciate the disease process to establish a prognosis and consider treatment alternatives.
Keywords: Collapsed foot; Equinus; Flat foot; Pes planus; Posterior tibial tendon dysfunction; Spring ligament.
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