Results from an anteroposterior compression injury to the pelvis
Often seen in elderly falls vs MVA or other high speed trauma
Causes disruption of pubic symphysis and the pelvis<unk> s like a<unk> 
Results in tears of the strong pelvic ligaments that hold the pelvis bones together
Large arteries pass near these ligaments and can get torn resulting in massive blood loss
Acetabular pelvic<unk> s<unk> 
Straddle pelvic<unk> 
Pelvic avulsion<unk>
Open book pelvic fracture
Diaphragmatic trauma
Straddle pelvic fracture
Liver trauma
Acetabular pelvic fractures
Splenic trauma
Pelvic fractures
Pelvic avulsion fracture