Lars Engebretsen

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Professor Lars Engebretsen, MD, PhD.

Lars Engebretsen was born in Asker, Norway. Dr. Engebretsen graduated from high school in South Dakota and then attended Hamar Katedralskole in Norway. He went on to study at the University of Oslo’s Medical School where he completed his Medical Doctorate in 1979. After an internship at Drammen County Hospital, he served as a Lieutenant at Oslo Military Hospital.

While completing his orthopaedic surgery training at Trondheim University Hospital he also worked as the Knee Research Fellow in the Bioengineering Lab, Department of Orthopaedic Surgery at the University of Minnesota.

In 1990, he received his PhD in Orthopaedic Surgery from Trondheim University and then served as a Medical Fellow Specialist and later as an Associate Professor in the Department of Orthopaedic Surgery at the University of Minnesota from 90-96. Dr Engebretsen has served on the faculties of the University of Trondheim and the University of Minnesota as Associate Professor in Orthopaedic Surgery. He has been Professor and Chairman for the Department of Orthopaedic Surgery at Ullevaal Hospital 96-2000 and 2002-04 and the Orthopaedic University Clinic in Oslo 2000-02. From 2005-07 he was the Divisional Director for Orthopaedics, Neurosurgery, Neurology, Physical Med and Rehab in the Division of Musculoskeletal and Neurosciences at the University of Oslo.

Dr. Engebretsen’s current professional affiliations include:

• Professor, Division of Orthopaedic Surgery, University of Oslo

• Professor and Chief of Research; Division of Surgery and Neurosciences, Oslo University Hospital

• Professor II, Norwegian College of Sports and Physical Education and Co-chair of Oslo Sports Trauma Research Center

• Chief of Sports Medicine, Norwegian Federation of Sports and Olympic Committee and Para-Olympic Committee

• Head of Medical Sciences, the International Olympic Committee

Dr Engebretsen has published over 300 articles and book chapters and continues to be very active in clinical, epidemiological and basic science research in the areas of general sports medicine, knee ligaments, cartilage and prevention of sports injuries and illnesses. He has received research grants and awards from many agencies and associations, including the National Institutes of Health, the Norwegian Council for Research in Science and humanities, the Norwegian Ministry of Health, AOSSM and the IOC.

He and his group has one several research prices around the world. Engebretsen has three research groups:

  • Knee ligaments together with May Arna Risberg in Oslo and Robert LaPrade in Minnesota and Vail, Colorado
  • Oslo Sports Trauma Research Center coled with professor Roald Bahr and emphasizing prevention of injuries and diseases in sports 
  • the Oslo Cartilage Group, which encompasses research from the cell to rehab after surgery, and involving molecular biologists, pathologists, radiologists, physioterapists and orthopaedic surgeons.

In 1997, Engebretsens group did the first knee joint chondrocyte transplantation in Norway. Since then, the group has had major emphasize on translational research. The group works very closely with the Stem Cell group led by dr Brinchmann and has optimized chondrocyte and stemcell cultivation while at the same time developing surgical techniques for implantation.

In addition to being the current Past President of The European Society of Sports Traumatology and Arthroscopy (ESSKA), Dr Engebretsen has been the President of the Norwegian Sports Medicine Society, the Scandinavian Foundation of Sports Medicine and ESSKA.

Dr Engebretsen is or has been a board member of many other societies including, but not limited to the Norwegian Society of Sports Medicine, the Scandinavian Foundation of Medicine & Science in Sports, ISAKOS, the Orthopaedic Research Society and International Knee Society. He is the Editor of the British J Sports Medicine (IPHP edition) and on the editorial board of Am J Sports Med, Scand J Med and Sci in Sports, Knee surg, Arthroscopy and Sports traumatology, and The Knee and is a reviewer for all the major orthopaedic and sports traumatology journals.

Publications

  • Aae, Tommy Frøseth; Lian, Øystein Bjerkestrand; Årøen, Asbjørn; Engebretsen, Lars & Randsborg, Per-Henrik (2020). Compensation claims after knee cartilage surgery is rare. A registry-based study from Scandinavia from 2010 to 2015. BMC Musculoskeletal Disorders.  ISSN 1471-2474.  21 . doi: 10.1186/s12891-020-03311-4 Full text in Research Archive. Show summary
  • Abdalkader, Mohamad; Guermazi, Ali; Engebretsen, Lars; Roemer, Frank W.; Jarraya, Mohamed; Hayashi, Daichi; Crema, Michel D. & Mian, Asim Z. (2020). MRI-detected spinal disc degenerative changes in athletes participating in the Rio de Janeiro 2016 Summer Olympics games. BMC Musculoskeletal Disorders.  ISSN 1471-2474.  21 . doi: 10.1186/s12891-020-3057-3 Full text in Research Archive. Show summary
  • Bahr, Roald; Clarsen, Benjamin Matthew; Derman, Wayne; Dvorak, Jiří; Emery, Carolyn A.; Finch, Caroline F.; Hägglund, Martin; Junge, Astrid; Kemp, Simon; Khan, Karim; Marshall, Stephen W.; Meeuwisse, Willem; Margo, Mountjoy; Orchard, John W.; Pluim, Babette M.; Quarrie, Kenneth L.; Reider, Bruce; Schwellnus, Martin; Soligard, Torbjørn; Stokes, Keith; Timpka, Toomas; Verhagen, Evert; Bindra, Abhinav; Budgett, Richard; Engebretsen, Lars; Erdener, Uğur & Chamari, Karim (2020). International Olympic Committee consensus statement: methods for recording and reporting of epidemiological data on injury and illness in sport 2020 (including STROBE Extension for Sport Injury and Illness Surveillance (STROBE-SIIS)). British Journal of Sports Medicine.  ISSN 0306-3674.  54(7), s 372- 389 . doi: 10.1136/bjsports-2019-101969 Full text in Research Archive. Show summary
  • Bahr, Roald; Clarsen, Benjamin Matthew; Derman, Wayne; Dvorak, Jiří; Emery, Carolyn A.; Finch, Caroline F.; Hägglund, Martin; Junge, Astrid; Kemp, Simon; Khan, Karim; Marshall, Stephen W.; Meeuwisse, Willem; Mountjoy, Margo; Orchard, John W.; Pluim, Babette M.; Quarrie, Kenneth L.; Reider, Bruce; Schwellnus, Martin; Soligard, Torbjørn; Stokes, Keith; Timpka, Toomas; Verhagen, Evert; Bindra, Abhinav; Budgett, Richard; Engebretsen, Lars; Erdener, Uğur & Chamari, Karim (2020). International Olympic Committee Consensus Statement: Methods for Recording and Reporting of Epidemiological Data on Injury and Illness in Sports 2020 (Including the STROBE Extension for Sports Injury and Illness Surveillance (STROBE-SIIS)). Orthopaedic Journal of Sports Medicine (OJSM).  ISSN 2325-9671. . doi: 10.1177/2325967120902908 Show summary
  • Berg, Bjørnar; Roos, Ewa M.; Englund, Martin; Kise, Nina Jullum; Tiulpin, Aleksei; Saarakkala, Simo; Engebretsen, Lars; Eftang, Cathrine N.; Holm, Inger & Risberg, May Arna (2020). Development of osteoarthritis in patients with degenerative meniscal tears treated with exercise therapy or surgery: a randomized controlled trial. Osteoarthritis and Cartilage.  ISSN 1063-4584. . doi: 10.1016/j.joca.2020.01.020 Show summary
  • Ekås, Guri Ranum; Ardern, Clare L.; Grindem, Hege & Engebretsen, Lars (2020). Evidence too weak to guide surgical treatment decisions for anterior cruciate ligament injury: a systematic review of the risk of new meniscal tears after anterior cruciate ligament injury. British Journal of Sports Medicine.  ISSN 0306-3674.  54(9), s 520- 527 . doi: 10.1136/bjsports-2019-100956 Show summary
  • Engebretsen, Lars (2020). Surgical versus nonsurgical treatment of anterior cruciate ligament rupture with at least 10 years of follow-up - a systematic review and meta-analysis. British Journal of Sports Medicine.  ISSN 0306-3674.
  • Grindem, Hege; Engebretsen, Lars; Axe, Michael; Snyder-Mackler, Lynn & Risberg, May Arna (2020). Activity and functional readiness, not age, are the critical factors for second anterior cruciate ligament injury : the Delaware-Oslo ACL cohort study. British Journal of Sports Medicine.  ISSN 0306-3674. . doi: 10.1136/bjsports-2019-100623 Full text in Research Archive. Show summary
  • Kennedy, Mitchell I.; Moatshe, Gilbert & Engebretsen, Lars (2020). Global Forum: Orthopaedic Physicians in the Winter and Summer Olympic Games. Journal of Bone and Joint Surgery. American volume.  ISSN 0021-9355. . doi: 10.2106/JBJS.19.01245 Show summary
  • Kon, Elizaveta; Engebretsen, Lars; Verdonk, Peter; Nehrer, Stefan & Filardo, Giuseppe (2020). Autologous Protein Solution Injections for the Treatment of Knee Osteoarthritis: 3-Year Results. American Journal of Sports Medicine.  ISSN 0363-5465.  48(11), s 2703- 2710 . doi: 10.1177/0363546520944891 Show summary
  • Moatshe, Gilbert; Vap, Alexander R.; Getgood, Alan; LaPrade, Robert F. & Engebretsen, Lars (2020). Medial-Sided Injuries in the Multiple Ligament Knee Injury. The journal of knee surgery.  ISSN 1538-8506.  33(5), s 431- 439 . doi: 10.1055/s-0039-3402768 Show summary
  • Skjaker, Stein Arve; Enger, Martine; Engebretsen, Lars; Brox, Jens Ivar & Bøe, Berte Marie Grimsmo (2020). Young men in sports are at highest risk of acromioclavicular joint injuries: a prospective cohort study. Knee Surgery, Sports Traumatology, Arthroscopy.  ISSN 0942-2056. . doi: 10.1007/s00167-020-05958-x Full text in Research Archive.
  • Vap, Alexander R.; Persson, Andreas; Fenstad, Anne Marie; Moatshe, Gilbert; LaPrade, Robert F. & Engebretsen, Lars (2019). Re-revision Anterior Cruciate Ligament Reconstruction: An Evaluation From the Norwegian Knee Ligament Registry. Arthroscopy: The Journal of Arthroscopy And Related.  ISSN 0749-8063.  35(6), s 1695- 1701 . doi: 10.1016/j.arthro.2019.01.027 Show summary
  • Alizai, Hamza; Engebretsen, Lars; Jarraya, Mohamed; Roemer, Frank W. & Guermazi, Ali (2019). Elbow Injuries Detected on Magnetic Resonance Imaging in Athletes Participating in the Rio de Janeiro 2016 Summer Olympic Games. Journal of computer assisted tomography.  ISSN 0363-8715.  43(6), s 981- 985 . doi: 10.1097/RCT.0000000000000929 Show summary
  • Aman, Zachary S.; DePhillipo, Nicholas; Storaci, Hunter W.; Moatshe, Gilbert; Chahla, Jorge; Engebretsen, Lars & LaPrade, Robert F. (2019). Quantitative and Qualitative Assessment of Posterolateral Meniscal Anatomy: Defining the Popliteal Hiatus, Popliteomeniscal Fascicles, and the Lateral Meniscotibial Ligament. American Journal of Sports Medicine.  ISSN 0363-5465.  47(8), s 1797- 1803 . doi: 10.1177/0363546519849933 Show summary
  • Ardern, Clare L.; Ekås, Guri Ranum; Grindem, Hege; Moksnes, Håvard; Anderson, Allen; Chotel, Franck; Cohen, Moises; Forssblad, Magnus; Ganley, Theodore J.; Feller, Julian A.; Karlsson, Jón; Kocher, Mininder S.; LaPrade, Robert F.; McNamee, Mike; Mandelbaum, Bert; Micheli, Lyle; Mohtadi, Nicholas G.H.; Reider, Bruce; Roe, Justin P.; Seil, Romain; Siebold, Rainer; Silvers-Granelli, Holly J.; Soligard, Torbjørn; Witvrouw, Erik & Engebretsen, Lars (2019). 2018 International Olympic Committee consensus statement. Sports Orthopaedics and Traumatology.  ISSN 0949-328X.  35(2), s 98- 122 . doi: 10.1016/j.orthtr.2019.04.050
  • DePhillipo, Nicholas; Engebretsen, Lars & LaPrade, Robert F. (2019). Current Trends Among US Surgeons in the Identification, Treatment, and Time of Repair for Medial Meniscal Ramp Lesions at the Time of ACL Surgery. Orthopaedic Journal of Sports Medicine (OJSM).  ISSN 2325-9671.  7(2), s 1- 5 . doi: 10.1177/2325967119827267 Show summary
  • Ekeland, Arne Erling; Engebretsen, Lars; Fenstad, Anne Marie & Heir, Stig (2019). Similar risk of ACL graft revision for alpine skiers, football and handball players- the graft revision rate is influenced by age and graft choice. British Journal of Sports Medicine.  ISSN 0306-3674.  54(1) . doi: 10.1136/bjsports-2018-100020
  • Ekås, Guri Ranum; Grindem, Hege & Engebretsen, Lars (2019). Kunnskapen om nye meniskskader etter fremre korsbåndsskade holder ikke mål for å kunne styre klinisk praksis, I:  2019: Høstmøteboken - vitenskapelig program og abstrakter.  Norsk Ortopedisk Forening.  ISBN 978-82-994275-1-7.  Abstract.  s 87 - 87
  • Ekås, Guri Ranum; Mjelde, Marit; Larmo, Arne Feilberg; Moksnes, Håvard; Grindem, Hege; Risberg, May Arna & Engebretsen, Lars (2019). Knee Pathology in Young Adults After Pediatric Anterior Cruciate Ligament Injury: A Prospective Case Series of 47 Patients With a Mean 9.5-Year Follow-up. American Journal of Sports Medicine.  ISSN 0363-5465.  47(7), s 1557- 1566 . doi: 10.1177/0363546519837935 Show summary
  • Ekås, Guri Ranum; Moksnes, Håvard; Grindem, Hege; Risberg, May Arna & Engebretsen, Lars (2019). Coping With Anterior Cruciate Ligament Injury From Childhood to Maturation: A Prospective Case Series of 44 Patients With Mean 8 Years’ Follow-up. American Journal of Sports Medicine.  ISSN 0363-5465.  47(1), s 22- 30 . doi: 10.1177/0363546518810750 Full text in Research Archive. Show summary
  • Engebretsen, Lars (2019). Kneprotese etter kneluksasjon, I:  2019: Høstmøteboken - vitenskapelig program og abstrakter.  Norsk Ortopedisk Forening.  ISBN 978-82-994275-1-7.  Abstract.  s 163 - 163
  • Engebretsen, Lars; Moatshe, Gilbert & Persson, Andreas (2019). Økt revisjonsrisiko med quadricepsgraft etter primær ACL rekonstruksjon - en studie fra nasjonalt korsbåndregister, I:  2019: Høstmøteboken - vitenskapelig program og abstrakter.  Norsk Ortopedisk Forening.  ISBN 978-82-994275-1-7.  Abstract.  s 91 - 91
  • Heiss, Rafael; Guermazi, Ali; Jarraya, Mohamed; Engebretsen, Lars; Hotfiel, Thilo; Parva, Pedram & Roemer, Frank W. (2019). Prevalence of MRI-Detected Ankle Injuries in Athletes in the Rio de Janeiro 2016 Summer Olympics. Academic Radiology.  ISSN 1076-6332.  26(12), s 1605- 1617 . doi: 10.1016/j.acra.2019.02.001 Show summary
  • Kennedy, Mitchell I.; Bernhardson, Andrew S.; Moatshe, Gilbert; Buckley, Patrick S.; Engebretsen, Lars & LaPrade, Robert F. (2019). Fibular Collateral Ligament/ Posterolateral Corner Injury: When to Repair, Reconstruct, or Both. Clinics in Sports Medicine.  ISSN 0278-5919.  38(2), s 261- 274 . doi: 10.1016/j.csm.2018.11.002 Show summary
  • Kise, Nina Jullum; Aga, Cathrine; Engebretsen, Lars; Roos, Ewa M.; Tariq, Rana & Risberg, May Arna (2019). Complex Tears, Extrusion, and Larger Excision Are Prognostic Factors for Worse Outcomes 1 and 2 Years After Arthroscopic Partial Meniscectomy for Degenerative Meniscal Tears: A Secondary Explorative Study of the Surgically Treated Group From the Odense-Oslo Meniscectomy Versus Exercise (OMEX) Trial. American Journal of Sports Medicine.  ISSN 0363-5465.  47(10), s 2402- 2411 . doi: 10.1177/0363546519858602 Full text in Research Archive.
  • LaPrade, Robert F.; Chahla, Jorge; DePhillipo, Nicholas; Cram, Tyler; Kennedy, Mitchell I.; Cinque, Mark E.; Dornan, Grant J.; O'Brien, Luke T.; Engebretsen, Lars & Moatshe, Gilbert (2019). Single-Stage Multiple-Ligament Knee Reconstructions for Sports-Related Injuries: Outcomes in 194 Patients. American Journal of Sports Medicine.  ISSN 0363-5465.  47(11), s 2563- 2571 . doi: 10.1177/0363546519864539 Show summary
  • Lie, Marthe Mehu; Risberg, May Arna; Storheim, Kjersti; Engebretsen, Lars & Øiestad, Britt Elin (2019). What's the rate of knee osteoarthritis 10 years after anterior cruciate ligament injury? An updated systematic review. British Journal of Sports Medicine.  ISSN 0306-3674. . doi: 10.1136/bjsports-2018-099751 Show summary
  • Lien-Iversen, Teodor; Morgan, Daniel Barklin; Jensen, Carsten; Risberg, May Arna; Engebretsen, Lars & Viberg, Bjarke (2019). Does surgery reduce knee osteoarthritis, meniscal injury and subsequent complications compared with non-surgery after ACL rupture with at least 10 years follow-up? A systematic review and meta-analysis. British Journal of Sports Medicine.  ISSN 0306-3674.  s 1- 8 . doi: 10.1136/bjsports-2019-100765 Full text in Research Archive.
  • Lind, Martin; Strauss, Marc Jacob; Nielsen, Torsten & Engebretsen, Lars (2019). Quadriceps tendon autograft for anterior cruciate ligament reconstruction is associated with high revision rates: results from the Danish Knee Ligament Registry. Knee Surgery, Sports Traumatology, Arthroscopy.  ISSN 0942-2056. . doi: 10.1007/s00167-019-05751-5 Show summary
  • Martin, R. Kyle; Kennedy, Mitchell I.; Begly, J.P.; LaPrade, Robert F. & Engebretsen, Lars (2019). Outdoor sports: Winter, In Sergio Rocha Piedade; Andreas B. Imhoff; Mark Clatworthy; Moises Cohen & Joao Espregueira-Mendes (ed.),  The Sports medicine physician.  Springer.  ISBN 9783030104320.  40.  s 553 - 568
  • Moatshe, Gilbert; Persson, Andreas & Engebretsen, Lars (2019). The effect on surgical center volume on outcome following anterior cruciate ligament reconstruction, In  2019: Høstmøteboken - vitenskapelig program og abstrakter.  Norsk Ortopedisk Forening.  ISBN 978-82-994275-1-7.  Abstract.  s 89 - 89
  • Næss Sporsheim, Anne; Gifstad, Tone; Lundemo, Trond Olav; Engebretsen, Lars; Strand, Torbjørn; Mølster, Anders & Drogset, Jon Olav (2019). Autologous BPTB ACL Reconstruction Results in Lower Failure Rates Than ACL Repair with and without Synthetic Augmentation at 30 Years of Follow-up. Journal of Bone and Joint Surgery. American volume.  ISSN 0021-9355.  101(23), s 2074- 2081 . doi: 10.2106/JBJS.19.00098 Full text in Research Archive. Show summary
  • Reardon, Claudia L.; Hainline, Brian; Aron, Cindy Miller; Baron, David; Baum, Antonia L.; Bindra, Abhinav; Budgett, Richard; Campriani, Niccolo; Castaldelli-Maia, João Mauricio; Currie, Alan; Derevensky, Jeffrey Lee; Glick, Ira D.; Gorczynski, Paul; Gouttebarge, Vincent; Grandner, Michael A.; Han, Doug Hyun; McDuff, David; Mountjoy, Margo; Polat, Aslihan; Purcell, Rosemary; Putukian, Margot; Rice, Simon; Sills, Allen; Stull, Todd; Swartz, Leslie; Zhu, Li Jing & Engebretsen, Lars (2019). Mental health in elite athletes: International Olympic Committee consensus statement (2019). British Journal of Sports Medicine.  ISSN 0306-3674.  53(11), s 667- 699 . doi: 10.1136/bjsports-2019-100715
  • Scott, Alex; LaPrade, Robert F.; Harmon, Kimberly G.; Filardo, Giuseppe; Kon, Elizaveta; Villa, Stefano Della; Bahr, Roald; Moksnes, Håvard; Torgalsen, Thomas; Lee, Jenny; Dragoo, Jason L. & Engebretsen, Lars (2019). Platelet-Rich Plasma for Patellar Tendinopathy: A Randomized Controlled Trial of Leukocyte-Rich PRP or Leukocyte-Poor PRP Versus Saline. American Journal of Sports Medicine.  ISSN 0363-5465.  47(7), s 1654- 1661 . doi: 10.1177/0363546519837954 Show summary
  • Snæbjörnsson, Thorkell; Hamrin-Senorski, Eric; Svantesson, Eleonor; Karlsson, Louise; Engebretsen, Lars; Karlsson, Jón & Samuelsson, Kristian (2019). Graft diameter and graft type as predictors of anterior cruciate ligament revision: A cohort study including 18,425 patients from the Swedish and Norwegian national knee ligament registries. Journal of Bone and Joint Surgery. American volume.  ISSN 0021-9355.  101(20), s 1812- 1820 . doi: 10.2106/JBJS.18.01467
  • Snæbjörnsson, Þorkell; Svantesson, Eleonor; Sundemo, David; Westin, Olof; Sansone, Mikael; Engebretsen, Lars & Hamrin-Senorski, Eric (2019). Young age and high BMI are predictors of early revision surgery after primary anterior cruciate ligament reconstruction: a cohort study from the Swedish and Norwegian knee ligament registries based on 30,747 patients. Knee Surgery, Sports Traumatology, Arthroscopy.  ISSN 0942-2056.  27, s 3583- 3591 . doi: 10.1007/s00167-019-05487-2 Full text in Research Archive.
  • Soligard, Torbjørn; Palmer, Debbie; Steffen, Kathrin; Lopes, Alexandre Dias; Grant, Marie-Elaine; Kim, DooSup; Lee, Sae Young; Salmina, Natalia; Toresdahl, Brett G; Chang, Joon Young; Budgett, Richard & Engebretsen, Lars (2019). Sports injury and illness incidence in the PyeongChang 2018 Olympic Winter Games: a prospective study of 2914 athletes from 92 countries. British Journal of Sports Medicine.  ISSN 0306-3674.  53(17), s 1085- 1092 . doi: 10.1136/bjsports-2018-100236 Full text in Research Archive. Show summary
  • Steffen, Kathrin; Soligard, Torbjørn; Mountjoy, Margo; Dallo, Ignacio; Gessara, Alan Maximiliano; Giuria, Hernan; Alamino, Leonel Perez; Rodriguez, Joaquin; Salmina, Natalia; Veloz, Daniel; Budgett, Richard & Engebretsen, Lars (2019). How do the new Olympic sports compare with the traditional Olympic sports? Injury and illness at the 2018 Youth Olympic Summer Games in Buenos Aires, Argentina. British Journal of Sports Medicine.  ISSN 0306-3674. . doi: 10.1136/bjsports-2019-101040 Full text in Research Archive. Show summary
  • Stenseth, Oleane Marthea Rebne; Barli, Sindre Fløtlien; Martin, Richard Kyle & Engebretsen, Lars (2019). Injuries in elite women's ski jumping: Surveillance through the 2017-18 FIS World Cup season. British Journal of Sports Medicine.  ISSN 0306-3674.  54 . doi: 10.1136/bjsports-2019-100799 Full text in Research Archive. Show summary
  • Sveen, Simen Andreas; Martin, RK; Alhaug, Eivind & Engebretsen, Lars (2019). CAM-type femoroacetabular impingement in male elite junior cross-country skiers and non-athlete controls: A cross-sectional MRI study. BMJ Open sport & exercise medicine.  ISSN 2055-7647.  5 . doi: 10.1136/bmjsem-2019-000530 Full text in Research Archive. Show summary
  • Thoma, Louise M.; Grindem, Hege; Logerstedt, David; Axe, Michael; Engebretsen, Lars; Risberg, May Arna & Snyder-Mackler, Lynn (2019). Coper Classification Early After Anterior Cruciate Ligament Rupture Changes With Progressive Neuromuscular and Strength Training and Is Associated With 2-Year Success: The Delaware-Oslo ACL Cohort Study. American Journal of Sports Medicine.  ISSN 0363-5465.  47(4), s 807- 814 . doi: 10.1177/0363546519825500 Full text in Research Archive. Show summary
  • Aasheim, Christer; Stavenes, Håvard; Andersson, Stig Haugsbø; Engebretsen, Lars & Clarsen, Benjamin (2018). Prevalence and burden of overuse injuries in elite junior handball. BMJ Open sport & exercise medicine.  ISSN 2055-7647.  4(1) . doi: 10.1136/bmjsem-2018-000391 Full text in Research Archive. Show summary
  • Aga, Cathrine; Risberg, May Arna; Fagerland, Morten; Johansen, Steinar; Trøan, Ingrid; Heir, Stig & Engebretsen, Lars (2018). No Difference in the KOOS Quality of Life Subscore Between Anatomic Double-Bundle and Anatomic Single-Bundle Anterior Cruciate Ligament Reconstruction of the Knee: A Prospective Randomized Controlled Trial With 2 Years’ Follow-up. American Journal of Sports Medicine.  ISSN 0363-5465.  46(10), s 2341- 2354 . doi: 10.1177/0363546518782454 Full text in Research Archive. Show summary
  • Ardern, Clare L.; Ekås, Guri Ranum; Grindem, Hege; Moksnes, Håvard; Anderson, Allen F.; Chotel, Franck; Cohen, Moises; Forssblad, Magnus; Ganley, Theodore J.; Feller, Julian A.; Karlsson, Jón; Kocher, Minider S.; LaPrade, Robert F.; McNamee, Michael; Mandelbaum, Bert; Micheli, Lyle; Mohtadi, Nicholas; Reider, Bruce; Roe, Justin; Seil, Romain; Siebold, Rainer; Silvers-Granelli, Holly J.; Soligard, Torbjørn; Witvrouw, Erik & Engebretsen, Lars (2018). 2018 International Olympic Committee consensus statement on prevention, diagnosis and management of pediatric anterior cruciate ligament (ACL) injuries. British Journal of Sports Medicine.  ISSN 0306-3674.  52(7), s 422- 438 . doi: 10.1136/bjsports-2018-099060 Full text in Research Archive.
  • Ardern, Clare L.; Ekås, Guri Ranum; Grindem, Hege; Moksnes, Håvard; Anderson, Allen; Chotel, Franck; Cohen, Moises; Forssblad, Magnus; Ganley, Theodore J.; Feller, Julian A.; Karlsson, Jón; Kocher, Mininder S.; LaPrade, Robert F.; McNamee, Mike; Mandelbaum, Bert R.; Micheli, Lyle; Mohtadi, Nicholas; Reider, Bruce; Roe, Justin; Seil, Romain; Siebold, Rainer; Silvers-Granelli, Holly J.; Soligard, Torbjørn; Witvrouw, Erik & Engebretsen, Lars (2018). 2018 International Olympic Committee Consensus Statement on Prevention, Diagnosis, and Management of Pediatric Anterior Cruciate Ligament Injuries. Orthopaedic Journal of Sports Medicine (OJSM).  ISSN 2325-9671.  6(3) . doi: 10.1177/2325967118759953 Full text in Research Archive.
  • Ardern, Clare L.; Ekås, Guri Ranum; Grindem, Hege; Moksnes, Håvard; Anderson, Allen; Chotel, Franck; Cohen, Moises; Forssblad, Magnus; Ganley, Theodore J; Feller, Julian A; Karlsson, Jón; Kocher, Mininder S.; LaPrade, Robert F.; McNamee, Mike; Mandelbaum, Bert; Micheli, Lyle; Mohtadi, Nicholas; Reider, Bruce; Roe, Justin; Seil, Romain; Siebold, Rainer; Silvers-Granelli, Holly J.; Soligard, Torbjørn; Witvrouw, Erik & Engebretsen, Lars (2018). 2018 International Olympic Committee consensus statement on prevention, diagnosis and management of paediatric anterior cruciate ligament (ACL) injuries. Knee Surgery, Sports Traumatology, Arthroscopy.  ISSN 0942-2056.  26(4), s 989- 1010 . doi: 10.1007/s00167-018-4865-y
  • Chahla, Jorge; Murray, Iain R.; Robinson, James; Lagae, Koen; Margheritini, Fabrizio; Fritsch, Brett; Leyes, Manuel; Barenius, Björn; Pujol, Nicolas; Engebretsen, Lars; Lind, Martin; Cohen, Moises; Maestu, Rodrigo; Getgood, Alan; Ferrer, Gonzalo; Villascusa, Silvio; Uchida, Soshi; Levy, Bruce; von Bormann, Richard; Brown, Charles; Menetrey, Jacques; Hantes, Michael; Lording, Timothy; Samuelsson, Kristian; Frosch, Karl Heinz; Monllau, Juan Carles; Parker, David; LaPrade, Robert F. & Gelber, Pablo E. (2018). Posterolateral corner of the knee: an expert consensus statement on diagnosis, classification, treatment, and rehabilitation. Knee Surgery, Sports Traumatology, Arthroscopy.  ISSN 0942-2056. . doi: 10.1007/s00167-018-5260-4
  • Crema, Michel D.; Jarraya, Mohamed; Engebretsen, Lars; Roemer, Frank W.; Hayashi, Daichi; Domingues, Romulo; Skaf, Abdalla & Guermazi, Ali (2018). Imaging-detected acute muscle injuries in athletes participating in the Rio de Janeiro 2016 Summer Olympic Games. British Journal of Sports Medicine.  ISSN 0306-3674.  52(7), s 460- 464 . doi: 10.1136/bjsports-2017-098247 Show summary
  • DePhillipo, Nicholas; Moatshe, Gilbert; Brady, Alex W.; Chahla, Jorge; Aman, Zachary S.; Dornan, Grant J.; Nakama, Gilberto Y.; Engebretsen, Lars & LaPrade, Robert F. (2018). Effect of Meniscocapsular and Meniscotibial Lesions in ACL-Deficient and ACL-Reconstructed Knees: A Biomechanical Study. American Journal of Sports Medicine.  ISSN 0363-5465.  46(10), s 2422- 2431 . doi: 10.1177/0363546518774315 Show summary

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  • Berg, B.; Roos, Ewa M.; Kise, Nina Jullum; Engebretsen, Lars & Risberg, May Arna (2020). Response to Letter to the Editor: “Osteoarthritis progression after exercise therapy or meniscectomy in patients with degenerative meniscal tears”. Osteoarthritis and Cartilage.  ISSN 1063-4584.  28(8), s 1148- 1149 . doi: 10.1016/j.joca.2020.05.003
  • Engebretsen, Lars (2020). Multiligament Injury in Elite athlete. Live Webinar.
  • Engebretsen, Lars (2020). Non-Operative vs Operative ACL. Panel discussion. Webinar.
  • Engebretsen, Lars (2020). Pediatric Knee surgery: Current concepts and controversies. Webinar.
  • Engebretsen, Lars (2020). Return to sports after Major Knee Injury. Live Webinar.
  • Engebretsen, Lars (2020). Review of the IOC Medical and Scientific department activities.
  • Engebretsen, Lars (2020). The Anterior Cruciate Ligament Cannot be Reliably Repaired: Studies With a Control Group are Needed!. Arthroscopy: The Journal of Arthroscopy And Related.  ISSN 0749-8063.  36(2), s 613- 614 . doi: 10.1016/j.arthro.2019.12.015
  • Martin, Kyle; Andersen Torheim, Morten; Midttun, Espen; Lygre, Stein Håkon Låstad; Persson, Andreas & Engebretsen, Lars (2019). Patient-Reported Outcomes at Five-Year Follow Up after Hamstrings Versus Patellar-Tendon Autograft for Anterior Cruciate Ligament Reconstruction.
  • Bahr, Roald & Engebretsen, Lars (2019). 20-års arbeid med forskning på forebygging av skader i idrett - hva har vi oppnådd?.
  • Bahr, Roald; Engebretsen, Lars; Myklebust, Grethe & Steffen, Kathrin (2019, 28. mai). Halvparten av idrettsskadene kan enkelt forebygges.  Aftenposten.
  • Clarsen, Benjamin & Engebretsen, Lars (2019). Injury burden.
  • Clarsen, Benjamin & Engebretsen, Lars (2019). Severity of health problems.
  • DePhillipo, Nicholas & Engebretsen, Lars (2019). Meniscal ramp lesions - anatomy, biomechanics, and clinical outcomes.
  • Drogset, Jon Olav; Henriksen, Anne N.; Gifstad, Tone; Engebretsen, Lars; Strand, Torbjørn & Mølster, Anders O (2019). A 30 Year Follow Up of a Prospective, Randomized Multicenter Study of Three Operative Techniques for the Treatment of Acute Ruptures of the Anterior Cruciate Ligament.
  • Engebretsen, Lars (2019). A career in Sports Medicine, from OR to IOC.
  • Engebretsen, Lars (2019). Activities of the IOC Medical & Scientific Department.
  • Engebretsen, Lars (2019). Closing Remarks & Program Reflections.
  • Engebretsen, Lars (2019). Distinguished Faculty Lecture: The Importance of International Collaboration.
  • Engebretsen, Lars (2019). How do skiers avoid multiligament injuries and how to prevent recurrence? Any crossover to football?.
  • Engebretsen, Lars (2019). IOC: Injury, illness surveillance and academic program in Tokyo.
  • Engebretsen, Lars (2019). Kunnskapsbasert praksis innen ortopedi og kneskader:MR og operasjon er ikke alltid det beste!.
  • Engebretsen, Lars (2019). Live Sx Demo: Anatomic Posterolateral Corner Reconstruction.
  • Engebretsen, Lars (2019). Live Sx Demo: What is the Ideal Tightening Order for a Multi-Ligament Injury.
  • Engebretsen, Lars (2019). Meccanismi d’infortunio e lesioni da sovraccarico del gesto atletico.
  • Engebretsen, Lars (2019). Medial Sided injuries in the Multiple Ligament Injured Knee.
  • Engebretsen, Lars (2019). No Differences in the KOOS Quality of Life between Anatomic Double- Bundle and Anatomic Single- Bundle Anterior Cruciate Ligament Reconstruction of the Knee - A Prospective, Randomized, Controlled Trial with Two Years Follow Up.
  • Engebretsen, Lars (2019). Norwegian ACL Registry Presentation.
  • Engebretsen, Lars (2019). Osteoarthritis is a major health issue.
  • Engebretsen, Lars (2019). Prevention in Action, the Strategy and Two Examples.
  • Engebretsen, Lars (2019). Roles and Responsibilities during the Olympic Games.
  • Engebretsen, Lars (2019). Simple Decision Rules from the Delaware-Oslo ACL Cohort.
  • Engebretsen, Lars (2019). Skulderluksasjon - to kasus.
  • Engebretsen, Lars (2019). Surgical or non-surgical management of the injured athlete?.
  • Engebretsen, Lars (2019). The IOC work to protect the Olympic Athlete.
  • Engebretsen, Lars (2019). The Importance of Clinician-Researchers to Progress Musculoskeletal Medicine.
  • Engebretsen, Lars (2019). The activities of the IOC Medical and Scientific Department.
  • Engebretsen, Lars (2019). Update on Consensus Meetings.
  • Engebretsen, Lars (2019). Welome and Presentation of OSTRC.
  • Engebretsen, Lars (2019). What Autograft is Best for YOUR Patient- and How I Choose.
  • Engebretsen, Lars (2019). Workup & Treatment of Combined Grade 3 ACL - PLC injuries.
  • Engebretsen, Lars & Budgett, Richard (2019). Summary and closing.
  • Lie, Marthe Mehu; Risberg, May Arna; Storheim, Kjersti; Engebretsen, Lars & Øiestad, Britt Elin (2019). What's the rate of knee osteoarthritis 10 years after anterior cruciate ligament injury? An updated systematic review..
  • Theisen, Daniel; Moksnes, Håvard; Hardy, Cyrille; Engebretsen, Lars & Seil, Romain (2019). How to Organise an International Register in Compliance with the European GDPR: Walking in the Footsteps of the PAMI Project (Paediatric ACL Monitoring Initiative), In Volker Musahl; Jon Karlsson; Michael Hirschmann; Olufemi R. Ayeni; Robert G. Marx; Jason Lee Koh & Norimasa Nakamura (ed.),  Basic Methods Handbook for Clinical Orthopaedic Research : A Practical Guide and Case Based Research Approach.  Springer.  ISBN 9783662582534.  45.  s 427 - 434
  • Årøen, Asbjørn; Kjennvold, Stian; Brinchmann, Jan E.; Randsborg, Per-Henrik; Reinholt, Finn P. & Engebretsen, Lars (2019). Bone marrow derived mesenchymal stem cells in a human clinical trial to repair articular cartilage defects of the knee.
  • Aga, Cathrine; Risberg, May Arna; Johansen, Steinar; Fagerland, M; Heir, Stig & Engebretsen, Lars (2018). No difference in the KOOS quality of life after two years, between anatomic Double-bundle and anatomic Single-bundle ACL reconstructed patients - a prospectively, randomised, controlled trial of 120 patients.
  • Ardern, Clare L.; Ekås, Guri Ranum; Grindem, Hege; Moksnes, Håvard; Anderson, Allen; Chotel, Franck; Cohen, Moises; Forssblad, Magnus; Ganley, Theodore J.; Feller, Julian A.; Karlsson, Jón; Kocher, Mininder S.; LaPrade, Robert F.; McNamee, Michael; Mandelbaum, Bert; Micheli, Lyle; Mohtadi, Nicholas G.H.; Reider, Bruce; Roe, Justin P.; Seil, Romain; Siebold, Rainer; Silvers-Granelli, Holly J.; Soligard, Torbjørn; Witvrouw, Erik & Engebretsen, Lars (2018). Prevention, diagnosis and management of paediatric ACL injuries. British Journal of Sports Medicine.  ISSN 0306-3674.  s 1- 2 . doi: 10.1136/bjsports-2018-099493
  • Bahr, Roald; Engebretsen, Anders Hauge; Myklebust, Grethe; Holme, Ingar & Engebretsen, Lars (2018). Prevention of injuries among male football players - a prospective randomized intervention study targeting players with previous injuries or reduced function, In Lars Vasli (ed.),  Vitenskapelige forhandlinger.  De Norske Kirurgiske Foreninger.
  • Bahr, Roald & Engebretsen, Lars (2018). Oslo Sports Trauma Research Center - an overview of our program.
  • Budgett, Richard & Engebretsen, Lars (2018). Summary and closing.
  • Budgett, Richard & Engebretsen, Lars (2018). Welcome and opening; Introduction & Activities of the IOC Medical & Scientific department.

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Published Apr. 13, 2011 2:54 PM - Last modified Aug. 23, 2012 1:02 PM