Lars Engebretsen

Professor Emeritus - Division of Orthopaedic Surgery
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Visiting address Sognsvannsveien 20 OUS Rikshospitalet 0372 Oslo
Postal address Postboks 4956 Nydalen OUS, Ullevål 0424 Oslo

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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

  • Midttun, Espen; Andersen, Morten Torheim; Engebretsen, Lars; Visnes, Håvard; Fenstad, Anne Marie & Gjertsen, Jan-Erik [Show all 7 contributors for this article] (2022). Good validity in the Norwegian Knee Ligament Register: assessment of data quality for key variables in primary and revision cruciate ligament reconstructions from 2004 to 2013. BMC Musculoskeletal Disorders. ISSN 1471-2474. 23. doi: 10.1186/s12891-022-05183-2. Full text in Research Archive
  • LaPrade, Robert F.; DePhillipo, Nicholas; Dornan, Grant J.; Kennedy, Mitchell I.; Cram, Tyler R. & Dekker, Travis J. [Show all 9 contributors for this article] (2022). Comparative Outcomes Occur After Superficial Medial Collateral Ligament Augmented Repair vs Reconstruction: A Prospective Multicenter Randomized Controlled Equivalence Trial. American Journal of Sports Medicine. ISSN 0363-5465. doi: 10.1177/03635465211069373. Full text in Research Archive
  • Martin, Richard Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard & Fenstad, Anne Marie [Show all 10 contributors for this article] (2022). Machine learning algorithm to predict anterior cruciate ligament revision demonstrates external validity. Knee Surgery, Sports Traumatology, Arthroscopy. ISSN 0942-2056. 30(2), p. 368–375. doi: 10.1007/s00167-021-06828-w. Full text in Research Archive
  • Persson, Andreas; Moatshe, Gilbert & Engebretsen, Lars (2022). The Evidence Regarding ACL Repair. In Nakamura, Norimasa; Marx, Robert G.; Musahl, Volker; Getgood, Alan; Sherman, Seth L. & Verdonk, Peter (Ed.), Advances in Knee Ligament and Knee Preservation Surgery. Springer. ISSN 978-3-030-84747-0. p. 61–69. doi: 10.1007/978-3-030-84748-7_7.
  • Stenseth, Oleane Marthea Rebne; Barli, Sindre Fløtlien; Martin, Richard Kyle & Engebretsen, Lars (2021). Injuries in elite women’s ski jumping: a cohort study following three International Ski Federation (FIS) World Cup seasons from 2017–2018 to 2019–2020. British Journal of Sports Medicine. ISSN 0306-3674. 56(1), p. 35–40. doi: 10.1136/bjsports-2021-104198.
  • Stake, Ingrid Kvello; Brady, Alex; Bryniarski, Anna; Dornan, Grant; Madsen, Jan Erik & Engebretsen, Lars [Show all 8 contributors for this article] (2021). The impact of posterior malleolar fixation on syndesmotic stability. In Hansen, Ann Kristin (Eds.), Høstmøteboka 2021. Norsk Ortopedisk Forening. ISSN 978-82-994275-3-1.
  • Visnes, Håvard; Gifstad, Tone; Persson, Andreas; Lygre, Stein Håkon Låstad; Engebretsen, Lars & Drogset, Jon Olav [Show all 7 contributors for this article] (2021). Pasienter med fremre korsbåndrekonstruksjon har øket risiko for kneprotese etter 15 års oppfølging. In Hansen, Ann Kristin (Eds.), Høstmøteboka 2021. Norsk Ortopedisk Forening. ISSN 978-82-994275-3-1.
  • Birkenes, Thomas; Furnes, Ove Nord; Årøen, Asbjørn; Solheim, Eirik; Knutsen, Gunnar & Drogset, Jon Olav [Show all 10 contributors for this article] (2021). Langtidsresultater etter bruskkirurgi i Norge - PROM hos pasienter uten senere kneprotese eller osteotomi. In Hansen, Ann Kristin (Eds.), Høstmøteboka 2021. Norsk Ortopedisk Forening. ISSN 978-82-994275-3-1.
  • Berg, Bjørnar; Roos, Ewa M.; Kise, Nina Jullum; Engebretsen, Lars; Holm, Inger & Risberg, May Arna (2021). Muscle strength and osteoarthritis progression after surgery or exercise for degenerative meniscal tears: Secondary analyses of a randomized trial. Arthritis care & research. ISSN 2151-464X. doi: 10.1002/acr.24736. Full text in Research Archive
  • Martin, Richard Kyle; Persson, Andreas; Moatshe, Gilbert; Fenstad, Anne Marie; Engebretsen, Lars & Drogset, Jon Olav [Show all 7 contributors for this article] (2021). Low annual hospital volume of anterior cruciate ligament reconstruction is not associated with higher revision rates. Knee Surgery, Sports Traumatology, Arthroscopy. ISSN 0942-2056. doi: 10.1007/s00167-021-06655-z.
  • Martin, Richard Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard & Fenstad, Anne Marie [Show all 9 contributors for this article] (2021). Predicting Anterior Cruciate Ligament Reconstruction Revision : A Machine Learning Analysis Utilizing the Norwegian Knee Ligament Register. Journal of Bone and Joint Surgery. American volume. ISSN 0021-9355. doi: 10.2106/JBJS.21.00113. Full text in Research Archive
  • Ulstein, Svend; Årøen, Asbjørn; Engebretsen, Lars; Forssblad, Magnus & Røtterud, Jan Harald (2021). Effect of Concomitant Meniscal Lesions and Meniscal Surgery in ACL Reconstruction With 5-Year Follow-Up: A Nationwide Prospective Cohort Study From Norway and Sweden of 8408 Patients. Orthopaedic Journal of Sports Medicine (OJSM). ISSN 2325-9671. 9(10), p. 1–9. doi: 10.1177/23259671211038375. Full text in Research Archive
  • Strauss, Marc Jacob; Miles, Jon W.; Kennedy, Mitchell L.; Dornan, Grant J.; Moatshe, Gilbert & Lind, Martin [Show all 8 contributors for this article] (2021). Full thickness quadriceps tendon grafts with bone had similar material properties to bone‑patellar tendon‑bone and a four‑strand semitendinosus grafts: a biomechanical study. Knee Surgery, Sports Traumatology, Arthroscopy. ISSN 0942-2056. doi: 10.1007/s00167-021-06738-x.
  • Mouton, Caroline; Moksnes, Håvard; Janssen, Rob; Fink, Christian; Zafagnini, Stefano & Monllau, Joan Carles [Show all 9 contributors for this article] (2021). Preliminary experience of an international orthopaedic registry: the ESSKA Paediatric Anterior Cruciate Ligament Initiative (PAMI) registry. Journal of Experimental Orthopaedics. ISSN 2197-1153. 8. doi: 10.1186/s40634-021-00366-7. Full text in Research Archive
  • Alizai, Hamza; Engebretsen, Lars; Jarraya, Mohamed; Roemer, Frank W. & Guermazi, Ali (2021). Wrist injuries detected on magnetic resonance imaging in athletes participating in the Rio de Janeiro 2016 Summer Olympic Games. Quantitative Imaging in Medicine and Surgery (QIMS). ISSN 2223-4292. 11(7), p. 3244–3251. doi: 10.21037/qims-20-1121. Full text in Research Archive
  • Pedersen, Marie; Grindem, Hege; Johnson, Jessica L.; Engebretsen, Lars; Axe, Michael J. & Snyder-Mackler, Lynn [Show all 7 contributors for this article] (2021). Clinical, Functional, and Physical Activity Outcomes 5 Years Following the Treatment Algorithm of the Delaware-Oslo ACL Cohort Study. Journal of Bone and Joint Surgery. American volume. ISSN 0021-9355. 103(16), p. 1473–1481. doi: 10.2106/JBJS.20.01731.
  • Strauss, Marc Jacob; Kennedy, Mitchell L.; Brady, Alex W.; Moatshe, Gilbert; Chahla, Jorge & LaPrade, Robert F. [Show all 8 contributors for this article] (2021). Qualitative and Quantitative Anatomy of the Human Quadriceps Tendon in Young Cadaveric Specimens. Orthopaedic Journal of Sports Medicine (OJSM). ISSN 2325-9671. 9(9), p. 1–8. doi: 10.1177/23259671211037305. Full text in Research Archive
  • Moksnes, Håvard; Ardern, Clare L.; Kvist, Joanna; Engebretsen, Lars; Risberg, May Arna & Myklebust, Grethe [Show all 7 contributors for this article] (2021). Assessing implementation, limited efficacy, and acceptability of the BEAST tool: A rehabilitation and return-to-sport decision tool for nonprofessional athletes with anterior cruciate ligament reconstruction. Physical Therapy in Sport. ISSN 1466-853X. 52, p. 147–154. doi: 10.1016/j.ptsp.2021.08.011. Full text in Research Archive
  • Pedersen, Marie; Grindem, Hege; Berg, Bjørnar; Gunderson, Ragnhild; Engebretsen, Lars & Axe, Michael J. [Show all 8 contributors for this article] (2021). Low Rates of Radiographic Knee Osteoarthritis 5 Years After ACL Reconstruction or Rehabilitation Alone: The Delaware-Oslo ACL Cohort Study. Orthopaedic Journal of Sports Medicine (OJSM). ISSN 2325-9671. 9(8), p. 1–10. doi: 10.1177/23259671211027530. Full text in Research Archive
  • Moatshe, G.; Floyd, E.R.; Martin, Richard Kyle; Engebretsen, L. & LaPrade, Robert F. (2021). Emerging Topics in ACL Graft Selection: Best Evidence for the Use of Quadriceps Tendon Graft. Operative techniques in sports medicine. ISSN 1060-1872. 29(2). doi: 10.1016/j.otsm.2021.150835.
  • DePhillipo, Nicholas; Dean, Robert S.; Engebretsen, Lars; Larson, Christopher M.; Monson, Jill & LaPrade, Robert F. (2021). High incidence of acute self-reported sleep disturbances in patients following arthroscopic-assisted knee surgery. Journal of ISAKOS: Joint Disorders & Orthapaedic Sports Medicine. ISSN 2059-7754. 6(5). doi: 10.1136/jisakos-2020-000594.
  • Gouttebarge, Vincent; Bindra, Abhinav; Blauwet, Cheri; Campriani, Niccolo; Currie, Alan & Engebretsen, Lars [Show all 15 contributors for this article] (2021). International Olympic Committee (IOC) Sport Mental Health Assessment Tool 1 (SMHAT-1) and Sport Mental Health Recognition Tool 1 (SMHRT-1): towards better support of athletes’ mental health. British Journal of Sports Medicine. ISSN 0306-3674. 55(1), p. 30–37. doi: 10.1136/bjsports-2020-102411. Full text in Research Archive
  • Kompel, Andrew J.; Haran, Prashanth H.; Murakami, Akira M.; Engebretsen, Lars; Jarraya, Mohamed & Roemer, Frank [Show all 7 contributors for this article] (2021). MRI-Detected Knee Ligament Sprains and Associated Internal Derangement in Athletes Competing at the Rio de Janeiro 2016 Summer Olympics. Open Access Journal of Sports Medicine. ISSN 1179-1543. 12, p. 23–32. doi: 10.2147/OAJSM.S292763. Full text in Research Archive
  • Berg, Bjørnar; Roos, Ewa M.; Kise, Nina Jullum; Engebretsen, Lars; Holm, Inger & Risberg, May Arna (2021). On a Trajectory for Success—9 in Every 10 People With a Degenerative Meniscus Tear Have Improved Knee Function in the 2 Years After Treatment: A Secondary Exploratory Analysis of a Randomized Controlled Trial. Journal of Orthopaedic and Sports Physical Therapy. ISSN 0190-6011. 51(6), p. 289–297. doi: 10.2519/jospt.2021.10025.
  • Martin, Richard Kyle; Ekås, Guri R.; Saltyte Benth, Jurate; Kennedy, Nicholas I.; Moatshe, Gilbert & Krych, Aaron J. [Show all 7 contributors for this article] (2021). Change in Posterior Tibial Slope in Skeletally Immature Patients With Anterior Cruciate Ligament Injury: A Case Series With a Mean 9 Years’ Follow-up. American Journal of Sports Medicine. ISSN 0363-5465. 49(5), p. 1244–1250. doi: 10.1177/0363546521997097.
  • Lystad, Reidar P.; Alevras, Alexander; Rudy, Iris; Soligard, Torbjørn & Engebretsen, Lars (2021). Injury incidence, severity and profile in Olympic combat sports: A comparative analysis of 7712 athlete exposures from three consecutive Olympic Games. British Journal of Sports Medicine. ISSN 0306-3674. 55(19), p. 1077–1083. doi: 10.1136/bjsports-2020-102958. Full text in Research Archive
  • Palmer, Debbie; Engebretsen, Lars; Carrard, Justin; Grek, Natalia; Königstein, Karsten & Maurer, Debbie J [Show all 11 contributors for this article] (2020). Sports injuries and illnesses at the Lausanne 2020 Youth Olympic Winter Games: A prospective study of 1783 athletes from 79 countries. British Journal of Sports Medicine. ISSN 0306-3674. doi: 10.1136/bjsports-2020-103514. Full text in Research Archive
  • Diermeier, Theresa; Rothrauff, Benjamin B.; Engebretsen, Lars; Lynch, Andrew D.; Ayeni, Olufemi R. & Paterno, Mark V. [Show all 14 contributors for this article] (2020). Treatment after anterior cruciate ligament injury: Panther Symposium ACL Treatment Consensus Group. Knee Surgery, Sports Traumatology, Arthroscopy. ISSN 0942-2056. 28(8), p. 2390–2402. doi: 10.1007/s00167-020-06012-6.
  • Swinford, Steven T; LaPrade, Robert F.; Engebretsen, Lars; Cohen, Moises & Safran, Marc (2020). Biomechanics and physical examination of the posteromedial and posterolateral knee: State of the art. Journal of ISAKOS: Joint Disorders & Orthapaedic Sports Medicine. ISSN 2059-7754. 5(6), p. 378–388. doi: 10.1136/jisakos-2018-000221.

View all works in Cristin

  • Engebretsen, Lars (2022). Introduction of two cases illustrating key issues - what is RED-S?
  • Engebretsen, Lars (2022). Working as a team physician - challenges and strategies: ESSKA-ESMA-IOC Team Physician Course .
  • Menetrey, Jacques; Canata, Gian Luigi & Engebretsen, Lars (2022). Paris Olympic Games 2024 presentations - Welcome introduction.
  • Engebretsen, Lars (2022). I&I surveillance – preliminary numbers.
  • Engebretsen, Lars (2022). The academic programme in the Beijing Games.
  • Engebretsen, Lars (2022). Changes to glucocorticoid use in sport - clinical considerations .
  • Berg, Bjørnar; Roos, Ewa M.; Kise, Nina Jullum; Engebretsen, Lars; Holm, Inger & Risberg, May Arna (2021). Muskelstyrke og artroseprogresjon etter kirurgi eller treningsterapi for degenerative meniskrupturer: Sekundæranalyse av en randomisert studie.
  • LaPrade, Robert F.; Spalding, Tim; Murray, Iain R; Chahla, Jorge; Safran, Marc & Larson, Christopher M. [Show all 13 contributors for this article] (2021). Knee arthroscopy: Evidence for a targeted approach. British Journal of Sports Medicine. ISSN 0306-3674. 55(13), p. 707–708. doi: 10.1136/bjsports-2020-103742.
  • Martin, Richard Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard & Fenstad, Anne Marie [Show all 9 contributors for this article] (2021). Predicting subjective failure of ACL reconstruction - a machine learning analysis of the Norwegian Knee Ligament Register and patient reported outcomes.
  • Visnes, Håvard; Gifstad, Tone; Persson, Andreas; Lygre, Stein Håkon Låstad; Engebretsen, Lars & Drogset, Jon Olav [Show all 7 contributors for this article] (2021). ACL reconstruction patients have increased risk of knee arthroplasty - data from the Norwegian Knee Ligament Register and the Norwegian Arthroplasty Register from 2004-2019.
  • Engebretsen, Lars (2021). Olympic doctor - what has changed over the last decades?
  • Engebretsen, Lars (2021). The career killer - second cartilage lesions after ACL reconstruction.
  • Engebretsen, Lars (2021). What the International Olympic Committee does to protect the health of the athletes?
  • Martin, R. Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard & Fenstad, Anne Marie [Show all 9 contributors for this article] (2021). Predicting subsequent revision ACL reconstruction a machine learning analysis of the Norwegian knee ligament register.
  • Engebretsen, Lars (2021). IOC Medical educational activities.
  • Engebretsen, Lars (2021). Injury and illness surveillance during Tokyo 2020.
  • Tveiten, Caroline Kooy; Fenstad, Anne Marie; Persson, Andreas; Visnes, Håvard; Engebretsen, Lars & Ekås, Guri Ranum (2021). Insidens av fremre korsbåndsrekonstruksjoner hos barn og unge i Norge (2005-2019). In Nyheim, Kurt Tomas (Eds.), Book of Abstract - Idrettsmedisinsk høstkongress 2021. NIMF.
  • Tveiten, Caroline Kooy; Fenstad, Anne Marie; Persson, Andreas; Visnes, Håvard; Engebretsen, Lars & Ekås, Guri Ranum (2021). Insidens av fremre korsbåndsrekonstruksjoner hos barn og unge i Norge (2005-2019).
  • Stake, Ingrid Kvello; Brady, Alex; Bryniarski, Anna; Dornan, Grant; Madsen, Jan Erik & Engebretsen, Lars [Show all 8 contributors for this article] (2021). The impact of posterior malleolar fixation on syndesmotic stability.
  • Visnes, Håvard; Gifstad, Tone; Persson, Andreas; Lygre, Stein Håkon Låstad; Engebretsen, Lars & Drogset, Jon Olav [Show all 7 contributors for this article] (2021). Pasienter med fremre korsbåndrekonstruksjon har øket risiko for kneprotese etter 15 års oppfølging.
  • Tveiten, Caroline Kooy; Fenstad, Anne Marie; Persson, Andreas; Visnes, Håvard; Engebretsen, Lars & Ekås, Guri Ranum (2021). Incidence of pediatric anterior cruciate ligament reconstructions in Norway from 2005 to 2019. In Hansen, Ann Kristin (Eds.), Høstmøteboka 2021. Norsk Ortopedisk Forening. ISSN 978-82-994275-3-1.
  • Tveiten, Caroline Kooy; Fenstad, Anne Marie; Persson, Andreas; Visnes, Håvard; Engebretsen, Lars & Ekås, Guri Ranum (2021). Incidence of pediatric anterior cruciate ligament reconstructions in Norway from 2005 to 2019.
  • Martin, Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard & Fenstad, Anne Marie [Show all 10 contributors for this article] (2021). Predicting anterior cruciate ligament reconstruction revision - external validation of a machine learning algorithm. In Hansen, Ann Kristin (Eds.), Høstmøteboka 2021. Norsk Ortopedisk Forening. ISSN 978-82-994275-3-1.
  • Martin, Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard & Fenstad, Anne Marie [Show all 10 contributors for this article] (2021). Predicting anterior cruciate ligament reconstruction revision - external validation of a machine learning algorithm.
  • Martin, Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard & Fenstad, Anne Marie [Show all 9 contributors for this article] (2021). Predicting subjective failure of anterior cruciate ligament reconstruction using a machine learning analysis. In Hansen, Ann Kristin (Eds.), Høstmøteboka 2021. Norsk Ortopedisk Forening. ISSN 978-82-994275-3-1.
  • Martin, Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard & Fenstad, Anne Marie [Show all 9 contributors for this article] (2021). Predicting subjective failure of anterior cruciate ligament reconstruction using a machine learning analysis.
  • Martin, Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard & Fenstad, Anne Marie [Show all 9 contributors for this article] (2021). Predicting anterior cruciate ligament reconstruction revision using a machine learning analysis. In Hansen, Ann Kristin (Eds.), Høstmøteboka 2021. Norsk Ortopedisk Forening. ISSN 978-82-994275-3-1.
  • Martin, Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard & Fenstad, Anne Marie [Show all 8 contributors for this article] (2021). Predicting anterior cruciate ligament reconstruction revision using a machine learning analysis.
  • Birkenes, Thomas; Furnes, Ove Nord; Årøen, Asbjørn; Solheim, Eirik; Knutsen, Gunnar & Drogset, Jon Olav [Show all 10 contributors for this article] (2021). Langtidsresultater etter bruskkirurgi i Norge - PROM hos pasienter utensenere kneprotese eller osteotomi.
  • Engebretsen, Lars (2021). Current clinical status and ethics.
  • Bailey, Stuart; Martindale, Russell; Engebretsen, Lars; Robson, James & Palmer, Debbie (2021). Epidemiology of match injuries in Scottish professional rugby union. British Journal of Sports Medicine. ISSN 0306-3674. 55, p. A94–A95. doi: 10.1136/bjsports-2021-IOC.224.
  • Bailey, Stuart; Martindale, Russell; Engebretsen, Lars; Robson, James & Palmer, Debbie (2021). Epidemiology of match injuries in Scottish professional rugby union.
  • Palmer, Debbie; Cooper, Dale; Emery, Carolyn; Bratt, Mark; Engebretsen, Lars & Scammell, Brigitte [Show all 10 contributors for this article] (2021). Olympic-career related sports injury epidemiology - the retired olympian musculoskeletal health study (ROMHS). British Journal of Sports Medicine. ISSN 0306-3674. 55, p. A24–A25. doi: 10.1136/bjsports-2021-IOC.56.
  • Bailey, Stuart; Martindale, Russell; Engebretsen, Lars; Sweeting, Jen; Deacon, Jared & Laing, Florence [Show all 8 contributors for this article] (2021). Effects of a strength and proprioceptive training programme on neck function and concussion injury risk in elite scottish rugby union players . British Journal of Sports Medicine. ISSN 0306-3674. 55. doi: 10.1136/bjsports-2021-IOC.9.
  • Bailey, Stuart; Martindale, Russell; Engebretsen, Lars; Sweeting, Jen; Deacon, Jared & Laing, Florence [Show all 8 contributors for this article] (2021). Effects of a strength and proprioceptive training programme on neck function and concussion injury risk in elite scottish rugby union players.
  • Tveiten, Caroline Kooy; Fenstad, Anne Marie; Visnes, Håvard; Persson, Andreas; Engebretsen, Lars & Ekås, Guri Ranum (2021). Incidence of pediatric anterior cruciate ligament reconstructions in Norway from 2005 to 2019. British Journal of Sports Medicine. ISSN 0306-3674. 55, p. A153–A154.
  • Engebretsen, Lars (2021). Ortopedi i Koronaens tid.
  • Engebretsen, Lars (2021). IOC/OLT.
  • Engebretsen, Lars; Zhou, Jian-Xin; McCloskey, Brian; Moran, Jane & Schneider, Christian (2021). Preparation for Beijing - update on medical servises.
  • Engebretsen, Lars (2021). Injury and illness surveillance PyeongChang, Sochi and Vancouver, and Tokyo initial results.
  • Palmer, Debbie; Cooper, Dale J.; Emery, Carolyn; Batt, Mark E.; Engebretsen, Lars & Scammell, Brigitte E. [Show all 10 contributors for this article] (2021). The Retired Olympian Musculoskeletal Health Study (ROMHS) cohort: recruitment of 3,357 Olympians and 1,735 general population controls.
  • Palmer, Debbie; Cooper, Dale J.; Emery, Carolyn; Batt, Mark E.; Engebretsen, Lars & Scammell, Brigitte E. [Show all 10 contributors for this article] (2021). Olympic-career related sports injury epidemiology: The Retired Olympian Musculoskeletal Health Study (ROMHS).
  • Engebretsen, Lars (2021). Intra- og ekstra-artikulære injeksjoner.
  • Engebretsen, Lars (2021). Kneskader hos barn.
  • Engebretsen, Lars & Engebretsen, Lars (2021). The activities of the IOC Medical and Scientific Department .
  • Engebretsen, Lars (2021). Anatomic Posterolateral Corner Reconstruction Technique And Outcomes.
  • Engebretsen, Lars (2021). Knee injury management & the IOC`s work on protecting the health of the athlete.
  • Engebretsen, Lars (2021). High Levels Athletes; Adolescent/non-surgical, & non-operative and adolescents.
  • Engebretsen, Lars (2021). Welcome and general introduction.
  • Engebretsen, Lars (2021). Hvordan kan stamcellebehandling brukes i klinikken? Hvilke guidelines har IOC?
  • Stuart, Mark; Vernec, Alan & Engebretsen, Lars (2021). The future of glucocorticoid treatment of athletes - implementing the new WADA changes from January 2022.
  • Onishi, Kentaro; Engebretsen, Lars & Ohuchi, Hiroshi (2021). Modern use of ultrasound in sports injuries.
  • Engebretsen, Lars (2021). Dealing with multi-ligament knee injuries - examples from the Olympic World.
  • Moatshe, Gilbert; Kweon, Christopher Y.; Gee, Albert O. & Engebretsen, Lars (2021). Anterior cruciate ligament reconstruction is not for all - A need for improved patient selection. British Journal of Sports Medicine. ISSN 0306-3674. doi: 10.1136/bjsports-2021-104304.
  • Martin, R. Kyle; Pareek, Ayoosh; Krych, Aaron J.; Kremers, Hilal Maradit & Engebretsen, Lars (2021). Machine learning in sports medicine: Need for improvement. Journal of ISAKOS: Joint Disorders & Orthapaedic Sports Medicine. ISSN 2059-7754. 6(1), p. 1–2. doi: 10.1136/jisakos-2020-000572.
  • Thornton, Jane S.; Patricios, Jon; Kemp, Joanne L.; Engebretsen, Lars & Drezner, Jonathan (2021). Robin Hood in SEM? What can we take from elite sport to give back to wider public health? British Journal of Sports Medicine. ISSN 0306-3674. doi: 10.1136/bjsports-2021-104266.
  • Engebretsen, Lars (2021). Be aware: New rules for corticosteroids! British Journal of Sports Medicine. ISSN 0306-3674. 55(11), p. 575–576. doi: 10.1136/bjsports-2021-104099.
  • DePhillipo, Nicholas; Kane, Patrick W. & Engebretsen, Lars (2021). Stress Radiographs for Ligamentous Knee Injuries [Infographic]. Arthroscopy: The Journal of Arthroscopy And Related. ISSN 0749-8063. 37(1), p. 15–16. doi: 10.1016/j.arthro.2020.11.001.
  • Martin, Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard & Fenstad, Anne Marie [Show all 8 contributors for this article] (2021). Predicting Anterior Cruciate Ligament Reconstruction Failure - a machine learning analysis utilizing the Norwegian Knee Ligament Registry.
  • Moatshe, Gilbert; Getgood, Alan & Engebretsen, Lars (2021). Multiligament knee injuries. In LaPrade, Robert F. & Chahla, Jorge (Ed.), Evidence-Based Management of Complex Knee Injuries : Restoring the Anatomy to Achieve Best Outcomes. Elsevier. ISSN 978-0-323-71310-8. p. 135 –143.
  • Engebretsen, Lars (2020). The role of the ACL registry in Norway.
  • Engebretsen, Lars (2020). Alexander (30) har hatt beinhinnebetennelse i ni år. Dette er ekspertenes råd mot lidelsen. [Internet]. Aftenposten.
  • Engebretsen, Lars (2020). Anti-doping, nutritional and therapeutic requirements in sports - IOC work on protection of the health of the athlete.
  • Engebretsen, Lars (2020). IOC work on prevention of injuries and illnesses in sports.
  • Drogset, Jon Olav; Sporsheim, Anne; Mølster, Anders; Strand, Torbjørn & Engebretsen, Lars (2020). A 25 Year Follow-up of Three Operative Techniques for the Treatment of Acute Ruptures of the Anterior Cruciate Ligament.
  • Engebretsen, Lars (2020). Presentasjon av arbeidet i WADAs Helse-, mendisinsk- og forskningskomite.
  • Engebretsen, Lars (2020). Courage, commitment and curiosity.
  • Engebretsen, Lars (2020). The degenerative meniscus - what do I do?
  • Engebretsen, Lars (2020). Overall activity of the department.
  • Budgett, Richard & Engebretsen, Lars (2020). Games report.
  • Martin, Kyle; Ekås, Guri Ranum; Benth, Jūratė Šaltytė; Kennedy, Nicholas; Moatshe, Gilbert & Krych, Aaron J. [Show all 7 contributors for this article] (2020). The relationship between ACL deficiency and posterior tibial slope in skeletally immature patients. In Hansen, Ann Kristin (Eds.), Høstmøteboka 2020. Norsk Ortopedisk Forening. ISSN 978-82-994275-2-4.

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