Abstract
Chronic ankle instability is a pathology arising from one of the most common orthopedic injuries, lateral ankle sprains. The gold standard surgical procedure for lateral ankle instability is repair of the anterior talofibular and calcaneofibular ligaments with imbrication of the inferior extensor retinaculum. The senior author's indications for a modified Brostrom versus a modified Chrisman-Snook have evolved over the past decade. Indications for a modified Chrisman-Snook include: revision reconstruction, generalized laxity, collagen vascular disease, BMI greater than 35, and significant hindfoot varus or midfoot cavus. The primary aim of this report is to provide a narrative review of the Chrisman-Snook procedure and overview of our modified technique.
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