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
Jumper's fracture is seen in - 
Select and explain. 
A. Calcaneum, B. Tibia, C. Pelvis, D. Neck femur
C: Pelvis
Answer: C: Pelvis 
Explanation: Jumper's fractures of the sacrum are characterized by an H - or U - shaped fracture line in the upper sacrum, usually involving the S1-S2 region.
Typical, the anterior segment of the pelvic ring is not injured.
So, Jumper's fracture involve the posterior segment of pelvic ring.