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In this series of 19 resected calcaneonavicular bars for peroneal spastic flatfoot (mean follow-up 3.4 years), we demonstrate that interposition of extensor digitorum brevis led to asymptomatic mobile feet without evidence of recurrence of the bar in 90% of the patients; this compares well with 43% recurrence rates of bars with associated pain and stiffness when extensor digitorum brevis is not interposed. We therefore recommend this method for prevention of the bar and their symptoms.
Moyes et al. (Sun,) studied this question.