Ankle Fractures — Lauge-Hansen
Classification based on position of foot + force direction. Common: Supination-External Rotation (SER), Supination-Adduction (SA), Pronation-Abduction (PA), Pronation-External Rotation (PER). Each mechanism has progressive stages of injury (ligament/osseous). Guides mechanism-based diagnosis and fixation strategy. Supination-External Rotation = most common ankle injury.
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10Which of the following is the most common mechanism of ankle fracture according to the Lauge-Hansen classifica...
mcqWhat is the first stage of injury in a Supination-External Rotation ankle fracture?
mcqWhich radiographic view is essential to assess the integrity of the ankle mortise?
mcqIn the Lauge-Hansen classification, what does the term 'supination' refer to?
mcqWhat is the typical treatment for a stable ankle fracture without significant displacement?
mcqWhich ligament is primarily affected in a Supination-Adduction ankle injury?
mcqWhat type of fracture is associated with the fourth stage of injury in a Supination-External Rotation mechanis...
mcqHow is a Pronation-External Rotation (PER) injury characterized?
mcqIn assessing an ankle fracture, which clinical feature is most indicative of a syndesmotic injury?
mcqWhat is the primary goal of treatment for an unstable ankle fracture?