This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Posada's fracture is ? 
Select and explain. 
A. Trascondylar fracture of humerus, B. Fracture lateral condyle of humerus, C. Fracture medial condyle of humerus, D. Fracture anatomical neck of humerus
A: Trascondylar fracture of humerus
Answer: A: Trascondylar fracture of humerus 
Explanation: Ans. is 'a' i.e., Transcondylar fracture of humerus Posada's fracture Transcondylar humeral fracture with displacement of the distal fragment anteriorly and dislocation of the radius and ulna from the bicondylar fragment.