The corresponding author Dr. Bernardino Saccomanni submitted this article [2] to Knee Surgery Sports Traumatology Arthroscopy (KSSTA). The article was published in the journal in 2010. It has been brought to our attention that this article has major similarities to an article published in the McGill journal in 2008 [1]. A duplicate publication with an obvious case of plagiarism has thus taken place. The editors of KSSTA, who act according to the COPE Code of Conduct, consider this an infringement of professional ethics, and therefore the decision has been taken to retract this article published in KSSTA. An apology is extended to our readers, the authors of the article in the McGill journal, as well as the readers, and editorial and publishing staff of the journal.