v4.1 Fusion X
SA (supination-adduction): lat avulsion → vertical medial fx. SER (supination-external rotation): ATFL → fibula at level → posterior → medial (most common). PA (pronation-abduction), PER (pronation-external rotation) sequences predict associated injuries.
In the Lauge-Hansen classification, which mechanism is characterized by the foot being in a supinated position with an adduction force applied to the talus?
Which type of ankle fracture is most commonly associated with the Supination-External Rotation (SER) mechanism according to the Lauge-Hansen classification?
What is the typical radiological equivalent of a Supination-Adduction (SA) fracture?
During which stage of the Supination-External Rotation (SER) mechanism does the disruption of the anterior inferior tibiofibular ligament occur?
Which injury is pathognomonic for Stage 2 of the Supination-Adduction (SA) mechanism?
What type of fracture is typically seen in Stage 3 of the Supination-External Rotation (SER) mechanism?
In the context of ankle fractures, what does the term 'bimalleolar equivalent' refer to?
Which Lauge-Hansen fracture mechanism is least common compared to the others?
What is the significance of understanding the Lauge-Hansen classification in clinical practice?
In the Supination-External Rotation (SER) mechanism, what type of fracture is characteristic of Stage 2?