About the Author:

Axel Gänsslen, MD, is a Consultant in Trauma Surgery in the Trauma Department, Wolfsburg General Hospital Wolfsburg, Germany. Since 2012 he has also been Chairman of the AO Trauma Course - Pelvis and Acetabulum in the Department of Anatomy, University of Graz, Austria. Dr. Gänsslen graduated from Hannover Medical School (MHH) in 1993 and subsequently undertook a number of residencies in trauma surgery before becoming a Consultant in Trauma Surgery in the Trauma Department of Hannover Medical School in 2006. Since 1994 he has been Regional/International Faculty on more than 100 AOTrauma Courses. He is the author of numerous papers in peer-reviewed journals as well as five books and more than 50 book chapters.

Jan Erik Lindahl, MD, PhD, is Head of the Pelvis and Lower Extremity Orthopaedic and Trauma Surgery Ward at Helsinki University Hospital and Adjunct Professor (Docent) in Orthopaedics and Traumatology at the University of Helsinki, Finland. He graduated from the University of Tampere in 1986 and subsequently completed specializations in Orthopaedics and Traumatology and General Surgery at the University of Helsinki before taking up his current post in 2000. Dr. Lindahl has been chairman of AOTrauma Finland since 2010 and is a past president of the Finnish Trauma Association, of which he was a founding member. He has received various awards, including the Hughston Award for best paper published in the American Journal of Sports Medicine in 2006. He is the author of almost 50 original articles and more than 30 book chapters, predominantly on management of injuries of the pelvic ring and acetabulum, fractures of the lower extremities, and knee injuries.

Stephan Grechenig, MD, Priv. Doz. Dr. med. univ., is a resident in Orthopaedic and Trauma Surgery at the Clinic for Trauma Surgery, Orthopaedics and Sports Medicine, Krankenhaus Barmherzige Brüder, Regensburg, Germany. He graduated from Medical School at the University of Graz, Austria in 2013 and subsequently was a post-doc in Musculoskeletal Biomechanics at the AO Research Institute, Davos, Switzerland and a resident in Trauma Surgery at the University Medical Center, Regensburg, Germany. He is a member of AOTrauma, the AO Faculty Group, and the German Society for Trauma Surgery (DGU) and is the author of almost 50 PubMed-listed articles.

Bernd Füchtmeier, MD, is Head of the Department for Trauma and Orthopaedic Surgery at the Krankenhaus Barmherzige Brüder, Regensburg, Germany. After graduating from Medical School in Hannover, he undertook extensive training in orthopaedic surgery. Dr. Füchtmeier was appointed as a consultant in the Department of Traumatology, Regensburg University Clinic in 2001 and subsequently became Head of the Section of Pelvic Surgery and Arthroplasty. He gained his habilitation in trauma surgery in 2007. In 2008 he was appointed senior consultant in the Clinic for Trauma Surgery, Orthopaedics, and Sports Medicine at Krankenhaus Barmherzige Brüder. Prior to taking up his current position, he was a consultant at the Center for Musculoskeletal Surgery, Charité University Clinic, Berlin. In 2011 Dr. Füchtmeier was appointed Associated Professor in the Medical Faculty, University of Regensburg. He is a member of the Advisory Board for AO Trauma Germany.