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Lars Engebretsen

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Lars Engebretsen MD PhD is a professor and director of research at Orthopaedic Center, Ullevaal university hospital and University of Oslo Medical School and professor and co-chair of the Oslo Sports Trauma Research Center.


He is also Chief Doctor for the Norwegian Federation of Sports, and headed the medical service at the Norwegian Olympic Center until the autumn of 2011. In 2007 he was appointed Head of Science and Research for the International Olympic Comittee (IOC).


Lars Engebretsen is a specialist in Orthopaedic and general surgery and authorized as Sports Medicine Physician (Idrettslege NIMF) by the Norwegian Society of Sports Medicine. He serves as chief team physician for the Norwegian Olympic teams.


The main area of research is resurfacing techniques of cartilage injuries, combined and complex knee ligament injuries and prevention techniques of sports injuries. He is currently the President of ESSKA (European Society of Sports Traumatology, Knee Surgery and Arthroscopy).


He is the Associate editor and Editor in chief for the new IOC-BJSM journal: Injury Prevention and Health Protection. In addition, he serves on several major sports journal editorial boards and has published more than 200 papers and book chapters.



Cartilage injuries. The use of stem cells in joint resurfacing >>

The role of the referee: a video analysis of the interpretation of the rules of football in injury-risk situations in professional football >>

Prevention of football injuries: an intervention study >>

Prevention of ACL injuries in Norwegian female team handball >>

Articular cartilage lesions of the knee - a prospective arthroscopic study >>

A model-based image-matching technique for 3D reconstruction - application to ACL injury situations >>

The mechanisms of serious knee injuries in female European team handball - a 3D kinematic and kinetic analysis based on uncalibrated 2D video recordings >>

Natural course of cartilage injuries in the knee >>

Optimal microenviroment for cartilage repair: vascular or avascular? >>

Risk factors for ankle injury in Scandinavian elite football >>

Association between difference floor types and the incidence of ACL injuries in team handball >>

Autologous chondrocyte transplantation versus autologous transplantation of mesenchymal stem cells in the repair of cartilage injuries in the rabbit patella >>

Injury mechanisms for ankle injury in Scandinavian elite football >>

Injury mechanisms for ACL injuries in team handball - a video analysis >>

Mechanisms of injuries and incidents in Icelandic soccer - Match analysis >>

Mechanisms of serious knee injuries in World Cup freestyle skiing - a 3D kinematic analysis based on uncalibrated 2D video recordings >>

Football Incident Analysis (FIA): A new video-based method to analyse injury-risk situations in professional football >>

Video analysis of acute injuries in Norwegian male professional football >>

A national register for ACL injuries >>

Nordic Football Injury Audit – Injury surveillance in the first leagues of Sweden (Allsvenskan) and Norway (Tippeligaen) >>

Focal cartilage defects in the knee and life quality >>

Video analysis of injuries among World Cup freestyle athletes >>

An analysis of the quality of cartilage repair studies >>

Single-bundle versus double-bundle ACL reconstruction >>

Risk factors for non-contact ACL injuries in elite female team handball players – A prospective cohort study >>

Dynamic characteristics of the extensor apparatus among volleyball players with jumper`s knee - a cohort study >>

Characteristics of the leg extensors in male volleyball players with jumper`s knee - a case-control study >>

A randomized study comparing outcome after standard surgical treatment and eccentric training among athletes with jumpers knee >>

Prevention of knee and ankle injuries among young players in Norwegian team handball >>

Prevention of injuries in soccer through increased awarenes of injury situations >>

Prevention of hamstrings strains in football >>

An immune-histochemical study of subclasses of inflammatory cells and active collagen-producing fibroblasts in the patellar ligament in patients with jumper's knee >>

Individual risk factors for injuries in Icelandic soccer >>

Innervation of the patellar ligament in patients with jumper`s knee >>

Clinical, functional and radiological outcome 6-10 years after ACL-injuries in team handball players - a follow-up study >>

Alpine collision injuries - a 6-year injury registration >>

The prevalence of jumpers knee among elite Norwegian athletes >>

Physical performance of soccer players, injuries and team success in Icelandic soccer >>

Injuries in young players in Norwegian team handball >>

Injury mechanisms for head injuries in football >>

Relationship between symptoms of jumper`s knee and the ultrasound characteristics of the patellar tendon among high level male volleyball players >>

Mechanisms for non-contact ACL injuries in sports - A systematic review >>

Validation of the visual inspection approach in video analysis >>

Mechanisms of ACL injury inbasketball: video analysis of 39 cases >>

Knee joint kinematics in non-contact ACL injury situations from female team handball and basketball >>

Validation of a video analysis technique for studying pivot shift kinematics >>



















News articles

“Microfracture-“ and “mosaicplasty technique” both provide satisfactory long-term outcome following surgery for cartilage lesions of the knee >>

OSTRC researchers in London >>

Prestigious award to researchers from the Oslo Sports Trauma Research Center >>

Previous injury and weak adductor muscles dispose for new groin injuries in male football (soccer) >>

New, important findings on the mechanisms of non-contact ACL injuries >>

Injuries to the medial collateral ligament and associated medial structures of the knee >>

A twofold risk of hamstring injury among previously injured players >>

All footballers should carry out knee preventive exercises >>

Lars-Petter Granan defended his PhD thesis >>

Anatomic medial knee reconstruction recovers knee stability and load distribution >>

The 14th ESSKA congress in Oslo in 2010 >>

You can make a difference! >>

Previously ankle injured players have a twice as high risk of sustaining a new ankle injury >>

New findings on knee ligament function >>

Footballers at increased risk of injury can easily be identified >>

The 14th ESSKA congress in Oslo in 2010 >>

Non-contact ACL injuries in female athletes: IOC consensus statement >>

Injury registration in the Beijing Olympics >>

Better study design necessary in cartilage research >>

New IOC consensus statement on non-contact ACL injuries >>

Excellent knee function in ACL injured children >>

“Handball goalie’s elbow” likely due to valgus impact loading >>

The first case report of ACI for the cartilage lesion of the distal tibia >>

The risk of ACL injuries in women's soccer is as high as in women's team handball >>

The anatomy of the medial part of the knee described precisely for the first time! >>

Poor accuracy in video analysis based on visual inspection >>

Mechanisms for ACL injuries in basketball >>

Nordic hamstring lowers reduce hamstring strains in soccer players >>

New study on the effect of rehabilitation after ACL reconstruction >>

Lars Engebretsen named IOC Head of Scientific Activities >>

Excessive apoptosis in patellar tendinopathy in athletes >>

High prevalence patellar tendinopathy among elite athletes in speed and power demanding sports >>

Surgery may have positive effect on cartilage defects >>

Clinical studies on cartilage treatment are of poor methodological quality >>

Warm-up exercises prevent knee and ankle injuries >>

The worlds first national cruciate ligament registry is established >>

Professor Lars Engebretsen elected member of the IOC medical commission >>

New web site for the Oslo Sports Trauma Research Center >>


Roald Bahr_Lars Engebretsen (Norway): Keynote Lecture: Sports injury prevention – the need for an evidence-based approach >>

Engebretsen_2005_1st World Congress_Can simple balance tests and the FAOS predict new injuries >>

Tron Krosshaug (Norway): Injury mechanisms in non-contact ACL injuries- what do we know? >>