Surgical Treatment of Chronic Lateral Ankle Instability Using an Inferior Extensor Retinaculum Flap: A Retrospective Study.

Chronic lateral ankle instability causes significant problems with physical activity. The purpose of the present study was to evaluate the results of ligamentous retensioning combined with reinforcement using an extensor retinaculum flap. A consecutive series of 38 patients were included with a minimum follow-up duration of 2 years.