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: Orthopaedics
Bohler's angle is decreased in fracture of - 
Select and explain. 
A. Calcaneum, B. Talus, C. Navicular, D. Cuboid
A: Calcaneum
Answer: A: Calcaneum 
Explanation: Bohler's Tuber Joint Angle and Crucial Angle of Gissane are measured for Intra Articular Fractures of Calcaneum.