This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pelvis and Hip Injury, Subject name: Orthopaedics
All of the following is true about dashboard injury except: 
Select and explain. 
A. It is associated with posterior dislocation of the hip, B. Sciatic nerve may be involved leading to foot drop, C. Avascular necrosis of the hip could be a late complication, D. The point of impact is on the greater trochanter
D: The point of impact is on the greater trochanter
Answer: D: The point of impact is on the greater trochanter 
Explanation: Posterior Dislocation and Fracture-Dislocation-Dashboard injury Dashboard Injury is associated with Post. dislocation > PCL avulsion Present with a shoened, internally rotated, adducted limb in slight flexion. It is associated with a fracture of the femoral head or acetabulum. The sciatic nerve lies behind the posterior wall of the acetabulum- may be damaged in a posterior dislocation of the hip resulting in foot drop and other symptom. The force is transmitted up the femoral shaft NOT the greater trochanter.