Posterior hip dislocation

1. What is the most common type of hip dislocation?
2. How does posterior hip dislocation often occur?
3. What nerve is often damaged in posterior hip dislocation?
4. What is the appearance of a posterior hip dislocation?
5. How is posterior hip dislocation treated?

Answers:
1. Posterior (90%).
2. MVA in which knee strikes dashboard.
3. Sciatic nerve.
4. Flexed, adducted, and internally rotated. It may appear shorter.
5. Surgery (emergent).