4B stands for 4Bone; it’s a free email service that brings you a weekly update of the latest clinical and review abstracts published in 4 prominent general orthopaedic journals: the American Journal of Sports Medicine, the Journal of Joint& Bone Surgery, Clinical Orthopaedics and Related Research and last but not least the Bone&Joint Journal. Our issues are spread out over each month and contain 4 themes: Upper Extremity, Lower Extremity, Trauma, and Miscellaneous. This gives you the possibility to allocate time most efficiently, depending on your topic of interest. Easy does it and knowledge is for everyone, so sign up now on http://4abstracts.nl/subscribe Editor in Chief 4Bone: X.J.R. Stavenuiter Editor in Chief 4Arthroscopy: J.J. de Graeff Editorial staff: D.H.L. Lemmers T. Schouten D.W.G. Langerhuizen E. Spaans J. van Loon