system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which is true about the dislocation of hip joint?
assistant
The correct answer is  Posterior dislocation is the commonest dislocation.
Posterior dislocation has typical deformity of flexion, adduction and internal (medial) rotation.
Anterior dislocation has deformity of flexion, abduction and external (lateral) rotation.