Abstract
Nine patients (13 feet) were identified whose primary complaints were of atraumatic-onset, chronic pain in the hindfoot exacerbated with increased activity and who had the diagnosis of idiopathic rigid flatfeet. Eight of 11 were greater than the 95th percentile in weight for their age. Exam under anesthesia showed moderate to significant improvement in hindfoot motion in 9 feet; 4 feet required fractional peroneal lengthenings. Only 5 of 11 patients have had sustained relief of pain and report unlimited activity level.
Children and adolescents with painful idiopathic rigid flatfeet without known causation can have significant, persistent, disability and do not uniformly respond well to traditionally-described nonoperative interventions.
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