Highlights Participants presenting acute ankle sprains (<15 days) were divided into low-grade versus high-grade sprain, according to the presence of a complete tear in at least one component of lateral ligament complex. High-grade ankle sprains group presented increased rates of medial malleolus bone bruise, deltoid ligament tears, extensor retinaculum lesions, and articular effusion. Thecalcaneonaviculardistancewasstatisticallyshorterin patients with high-grade sprains (median, 3.0mm) when compared to those with low-grade sprains (median, 4.0mm). INTRODUCTION Ankle fractures and sprains are extremely common injuries, among the […]