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Diagnosis and treatment of intra-articular hip problems in young patients present a challenge to hip surgeons. Previous studies have shown that non-invasive investigations such as radiography, computed tomography and magnetic resonance imaging provide limited help. Non-operative treatment is likely to result in persistent symptoms, and surgical options for intra-articular hip problems involve open arthrotomy of the hip joint, which carries potential risks associated with joint dislocation. Arthroscopy of the hip joint, therefore, seems to be an attractive option. It was once thought that introduction of a straight arthroscope into the ball-and-socket hip joint was almost impossible. Hip arthroscopy has seen several advances since then, and the speed at which it developed in recent years directly corresponded to the rate at which the conditions affecting the hip joint were identified. Athletes and other young individuals with hip injuries are increasingly being diagnosed with an ever evolving series of conditions. Many of these conditions were previously unrecognised and thus left untreated, resulting in premature ends to the patients’ competitive careers. Hip arthroscopy, as with any procedure, is not without risks. The procedure is not widely available as it requires specialist equipment and takes a long time to learn. Complications are few, occurring in,5 % of patients. See end of article for authors ’ affiliation