This book covers pertinent principles and practical surgical techniques related to primary total hip arthroplasty (THA) including complex cases. Written by experienced hip and knee surgeons, this book introduces the basic concepts of THA, helping the reader understand the basic science and history of THA. More chapters cover the preoperative planning and preparation, exposure using the various approaches, together with tips and tricks to position implants properly. Navigation-guided and robotic THA techniques are also included. Complications related to surgery, such as leg-length discrepancy, periprosthetic infections and fractures, hip instability, and deep vein thrombosis, are further discussed. Complex situations in specific diseases and pathology, such as rheumatoid hip arthritis, ankylosis spondylitis, and post-traumatic arthritic hip diseases are demonstrated.