Jumper’s fracture is seen in -
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Calcaneum
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Tibia
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Pelvis
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Neck femur
Solution
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.