January Featured Ed Board Members


Freddie H. FU, MD, D.Sc. (Hon.), D.Ps. (Hon.)
University of Pittsburgh, Department of Orthopaedic Surgery, PA

Dr. Freddie H. Fu is the David Silver Professor and Chairman of the Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine. Dr. Fu specializes in Sports Medicine and holds secondary appointments as Professor of Physical Therapy, Health & Physical Activity, and Mechanical Engineering and serves as the Head Team Physician for the University of Pittsburgh Athletic Department. In 1999, he was awarded an honorary Doctor of Science degree from Point Park University, an honorary Doctor of Public Service degree from Chatham University, and in 2010 was appointed Distinguished Service Professor by the University of Pittsburgh.

Dr. Fu graduated summa cum laude from Dartmouth College in 1974 and received his BMS in 1975 from Dartmouth Medical School. He earned his medical degree in 1977 from the University of Pittsburgh and completed his general surgery internship at Brown University. He returned to the University of Pittsburgh for an orthopaedic research fellowship and to complete his orthopaedic residency training. During that time, Dr. Fu was an AO International Fellow at the Hannover Trauma Center in Germany and an arthroscopic surgery fellow in East Lansing, Michigan. In 1984, Dr. Fu was selected as an AOA North American Traveling Fellow. As an ESSKA-AOSSM Sports Medicine Travelling Fellow in 1988, he visited over 30 sports medicine centers in Europe.

Dr. Fu’s major research interest lies in anatomic ACL reconstruction, clinical outcomes, and bioengineering of sports-related problems. Dr. Fu has been honored with over 250 professional awards and honors, made over 1100 national and international presentations, co-authored 173 books chapters, is an author of over 530 peer-reviewed articles, and edited 30 major orthopaedic textbooks.

Dr. Fu serves as Editor-in-Chief of Open Access Journal of Sports Medicine. In addition, he sits on the Editorial Boards for American Journal of Sports Medicine, Current Reviews in Musculoskeletal Medicine, European Journal of Trauma (Section Editor on Sports Injuries), Isokinetics and Exercise Science, Journal of Dance Medicine & Science, Journal of Musculoskeletal Research, Journal of Orthopaedic Surgery (Asia Pacific Orthopaedic Association), Journal of Orthopaedic Surgery and Research (Chinese Speaking Orthopaedic Society), Journal of Orthopaedics and Rehabilitation, Knee Surgery, Sports Traumatology, Arthroscopy, Journal of Bone & Joint Surgery, Knee Surgery, Sports Traumatology, and Arthroscopy (KSSTA), Open Access Journal of Sports Medicine, Orthopedics Today, Sports Medicine (International Editorial Board), and OrthoEvidence. He also serves as a reviewer for American Journal of Sports Medicine, Arthroscopy, Bone & Joint Diseases: Index & Reviews, Indian Journal of Sports Traumatology and Allied Sciences, Journal of Orthopaedic and Sports Physical Therapy, Journal of Orthopaedic Research, Journal of Orthopaedic Techniques.

Dr. Fu oversees one of the top and most ethnically and gender-diversified orthopaedic residency training programs in the country which attracts the best and brightest young surgeons/researchers from the US and abroad. For this, he received the 2011 American Academy of Orthopaedic Surgeons Diversity Award. In recognition of his national and international achievements, he has received the Lifetime/Honorary Membership from The European Society of Sports Traumatology, Knee Surgery and Arthroscopy, the 2014 Kappa Delta Elizabeth Winston Lanier Award from the American Academy of Orthopaedic Surgeons, the George D. Rovere Award on behalf of the American Orthopaedic Society for Sports Medicine, and most recently, the Masaki Watanabe Award on behalf of the Japanese Orthopaedic Society of Knee, Arthroscopy and Sports Medicine.

Selected Published Works

Hensler D, Illingworth KD, Musahl V, Working ZM, Kobayashi T, Miyawaki M, Lorenz S, Witt M, Irrgang JJ, Huard J, Fu FH. Does fibrin clot really enhance graft healing after double-bundle ACL reconstruction in a caprine model? Knee Surg Sports Traumatol Arthrosc. 2014 Oct 19. [Epub ahead of print]

Fu FH, van Eck CF, Tashman S, Irrgang JJ, Moreland MS. Anatomic anterior cruciate ligament reconstruction: a changing paradigm. Knee Surg Sports Traumatol Arthrosc. 2014 Aug 3. [Epub ahead of print]

van Eck C, Gravare-Silbernagel K, Samuelsson K, Musahl V, van Dijk CN, Karlsson J, Irrgang JJ, Fu FH. Evidence to support the interpretation and use of the anatomic anterior cruciate ligament reconstruction checklist. J Bone Joint Surg Am. 2013; 95(20):e1531-9.

Mifune Y, Matsumoto T, Ota S, Nishimori M, Usas A, Kopf S, Kuroda R, Kurosaka M, Fu FH, Huard J. Therapeutic potential of anterior cruciate ligament derived stem cells for anterior cruciate ligament reconstruction. Cell Transplant 2012;21(8):1651-1665.

van Eck C, Schkrohowsky J, Working Z, Irrgang J, Fu FH. Prospective analysis of failure rate and predictors of failure after anatomic anterior cruciate ligament reconstruction with allograft. Am J Sports Med 2012;40(4):800-807.

Hussein M, van Eck C, Cretnik A, Dinevski D, Fu FH. Prospective randomized clinical evaluation of conventional single-bundle, anatomic single-bundle, and anatomic double-bundle anterior cruciate ligament reconstruction: 281 cases with 3- to 5-year follow-up. Am J Sports Med 2012; 40(3):512-520. 2013 Hughston Award.

Karlsson J, Irrgang J, van Eck C, Samuelsson K, Mejia H, Fu FH. Anatomic single- and double-bundle anterior cruciate ligament reconstruction, Part 2: Clinical application of surgical technique.  Am J Sports Med 2011;39(9):2016-2026.

Yasuda K, van Eck C, Hoshino Y, Fu FH, Tashman S. Anatomic single- and double-bundle anterior cruciate ligament reconstruction, Part 1: Basic science. Am J Sports Med 2011;39(8):1789-1799.

Kopf S, Pombo M, Szczodry M, Irrgang J, Fu FH. Size variability of the human anterior cruciate ligament insertion sites. Am J Sports Med 2011;39(1):108-113.



Bruce Twaddle, MD
University of Washington, Department of Orthopaedics and Sports Medicine, WA

Prof. Bruce Twaddle is a New Zealand trained Orthopaedic surgeon with subspecialty fellowship training in knee surgery, sports surgery and orthopedic trauma. He is experienced with all soft tissue and joint injuries of the knee, shoulder, elbow, foot, and ankle. He joined the faculty at the UW Department of Orthopaedics and Sports Medicine in the spring of 2013 and currently serves as the Chief of Orthopaedic Sports Medicine at the UW Medicine Sports Medicine Center at Husky Stadium.

He attended the University of Auckland Medical School in Auckland, New Zealand, and completed the Australasian College of Surgeons Orthopaedic training program in 1993. He was an Orthopaedic Trauma Fellow at Harborview Medical Center in 1994/1995 and has maintained links with the University of Washington ever since. His subspecialty training included postgraduate fellowships in Knee Surgery with Barry Tietjens, Orthopaedic Trauma at the Harborview Medical Centre in Seattle and Sports Surgery at the Fowler Kennedy Sports Medicine Clinic in London, Ontario. He was appointed to the staff at Auckland Hospital in 1996 where he became the Director of Orthopaedic Trauma in 2003. Dr. Twaddle was a founding partner of UniSports Clinic in Auckland, co-founder of the Adidas Sports Medicine Centre, a FIFA Centre of Excellence and has served as a consulting physician and team physician for several New Zealand sports teams.

He has been actively involved in Orthopaedic teaching and education and has been involved in the AO trauma education community since 1996 including six years as the Chairman of Education for the Asia/Pacific region, the largest and most diverse part of the AO world. He was the youngest ever trustee of AO International in 1999 and has been a member of the ISAKOS sports medicine committee. His clinical interests include complex articular trauma, tendon injuries and their treatment, osteotomy surgery, osteomyelitis, multiple ligament knee injuries, compartment syndrome (acute and exercise induced) and causes and treatment of functional leg fatigue and recovery.

He has been the primary author of many chapters in sports medicine and trauma textbooks and has numerous publications and presentations at peer-reviewed meetings in both orthopaedic sports medicine and trauma. He is recognised as a leading expert in complex knee injuries and dislocations, compartment syndrome, both acute and exercise induced, tendon injury and tendon healing and the management of stress fractures and was recently added to the faculty of the IOC Diploma in Sports Medicine.

Selected Published Works

Twaddle BC, Poon P. Early motion for Achilles tendon ruptures: is surgery important? A randomized, prospective study. Am J Sports Med. 2007;35(12):2033¬‐2038.

Walsh SJ, Twaddle BC, Rosenfeldt MP, Boyle MJ Arthroscopic treatment of anterior ankle impingement: a prospective study of 46 patients with 5-year follow-up. Am J Sports Med. 2014;42:2722-2726.

Twaddle BC, Bidwell TA, Chapman JR. Knee dislocations: where are the lesions?: a prospective evaluation of surgical findings in 63 cases. J Orthop Trauma. 2003;17(3):198¬‐202.

Civil I, Twaddle B: Trauma care systems in New Zealand. Injury. 2003;34(9):740¬‐744.

Mai DD, Twaddle, B, Magnes SA, Amendola A, Kirkley A, Fowler PJ. Retrospective analysis of revision ACL reconstruction surgery clinical results. Clin J Sports Med. 1999;9(2):114.

Twaddle BC, Hunter JC, Chapman JR, Simonian P, Escobedo EM. MRI in acute knee dislocations. A prospective study of clinical, MRI and surgical findings. J Bone Joint Surg Br. 1996;78(4):573¬‐579.

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