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The London Hospital

By K. M. Samuelson and London England


The position of the posterior portion of the foot is difficult to evaluate and document on the basis of clinical exami-nation. Conventional roentgenographic techniques also do not allow objective determination of hindfoot position. A new roentgenographic technique utilizing a double-ex-posure has been developed to allow accurate documen-tation of the position of the calcaneus relative to the ankle. Normal adult values for this technique have been determined from 60 normal feet. Treatment of problems of the posterior portion of the foot has been impeded by an inability to define and document hindfoot position accurately. Clinical examination regarding hindfoot position is subjective and difficult to document. Diagnostically, this lack of objective measurements can sometimes present a problem, and therapeutically it is often difficult to evaluate results of treatment. Conventional roentgen-ographic views in both the anteroposterior and the lateral projections, while giving an indication of the position of the hindfoot by the relationships between the long axes of the talus and calcaneus, fail to define the exact position in any particular individual. This is due, in part, to individual variations in the relationships between the long axes. As a solution to this problem, a new roentgeno-graphic technique has been developed which allows accurate documentation of the position of the calca-neus relative to the talus and ankle. Sixty normal hindfeet have been examined to establish a range of normal for the technique. • To whom requests for reprints should be addressed, at Divisio

Year: 2016
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