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: Surgery
Flexion, adduction & internal rotation is characteristic posture in: September 2012 
Select and explain. 
A. Anterior dislocation of hip joint, B. Posterior dislocation of hip joint, C. Fracture femoral head, D. Fracture shaft femur
B: Posterior dislocation of hip joint
Answer: B: Posterior dislocation of hip joint 
Explanation: Ans. B i.e. Posterior dislocation of hip joint Hip dislocation MC type: Posterior dislocation Attitude of limb in posterior dislocation: - Flexion, - Adduction, - Internal rotation Dislocation, which can be felt of per rectal examination: Central fracture dislocation