Adult-Acquired Flatfoot Deformity.

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Abstract

Conflict of interest statement: Declaration of Conflicting Interests: The author(s) declared the following potential conflicts of interest with respect to the research, authorship, and/or publication of this article: Scott J. Ellis, MD, reports personal fees from Wright Medical, outside the submitted work. ICMJE forms for all authors are available online. 2. Foot Ankle Clin. 2007 Jun;12(2):251-71, vi. doi: 10.1016/j.fcl.2007.03.008. The flexible flatfoot in the adult. Giza E(1), Cush G, Schon LC. Author information: (1)Santa Monica Orthopaedic Group, 1313 20th Street, Suite 150, Santa Monica, CA 90404, USA. egiza@smog-ortho.net The adult acquired flatfoot deformity is characterized by flattening of the medial longitudinal arch with insufficiency of the supporting posteromedial soft tissue structures of the ankle and hindfoot. While the etiology of this deformity can be arthritic or traumatic in nature, it is most commonly associated with posterior tibial tendon dysfunction (PTTD). By one estimate, PTTD affects approximately five million people in the United States. The clinical presentation of adult flatfoot can range from a flexible deformity with normal joint integrity to a rigid, arthritic foot. DOI: 10.1016/j.fcl.2007.03.008