This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thigh, Knee,Leg,Foot & Ankle injuries, Subject name: Anatomy
Mode of injury of a cotton fracture is 
Select and explain. 
A. Adduction and external rotation, B. Abduction and internal rotation, C. Abduction and external rotation, D. Adduction and internal rotation
C: Abduction and external rotation
Answer: C: Abduction and external rotation 
Explanation: Cotton fracture is due to abduction and external rotational injury. It is also known as TRIMALLEOLAR FRACTURE. There is fracture of the medial,lateral and posterior malleolus. It more often requires open reduction and internal fixation.