<prompt> Most common dislocation of hip is:AnteriorPosteriorPoster lateralCentral  <response>: Ans: b Posterior Ref: Maheswari, 4th ed, p. IIIThere are 3 main types of dislocations of hip of which posterior dislocation is the commonest.Posterior dislocation of hip complications are:1. Injury to sciatic nerve All India repeat2. Avascular necrosis- femoral head3. Osteoarthritis4. Myositis ossificansTypes of hip dislocation are:a Posterior dislocation Dash board injuiyb Anterior dislocationc Central dislocation 