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
In which type of fracture, the tuber-joint angle is reduced to about half 
Select and explain. 
A. Crush fracture of calcaneum, B. Fracture neck of humerus, C. Dislocation of shoulder, D. Spilt fracture of calcaneum
A: Crush fracture of calcaneum
Answer: A: Crush fracture of calcaneum 
Explanation: A i.e. Crush fracture of calcaneum