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
The most common elbow injury in children is 
Select and explain. 
A. Extension type of supracondylar fracture of humerus, B. Dislocation of elbow, C. Fracture lateral condyle of humerus, D. Fracture medial epicondyle of humerus
A: Extension type of supracondylar fracture of humerus
Answer: A: Extension type of supracondylar fracture of humerus 
Explanation: A i.e. Extension type of supracondylar fracture