The purpose of this update is to discuss, in summary fashion, topics presented at selected orthopaedic meetings and published in related orthopaedic journals during 2003. The sources for this review are articles published in The Journal of Bone and Joint Surgery (American edition) and The Journal of Arthroplasty. The podium presentations mentioned in this article include those given at the annual meeting of the American Academy of Orthopaedic Surgeons (held in New Orleans, Louisiana, on February 5 through 9, 2003), on Specialty Day at the meeting of the Knee Society (held in New Orleans, Louisiana, on February 8, 2003), at the interim meeting of the Knee Society (held in Chicago, Illinois, on August 27 through 29, 2003), and at the annual meeting of the American Association of Hip and Knee Surgeons (held in Dallas, Texas, on October 31 through November 2, 2003).