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  • Oslo Sports Trauma Research Center - 172 - Association between psychological factors and injuries in female elite football players
    athlete and develop injury prevention measurements The influence of psychological factors on injuries in football is poorly documented The aim of this eight month prospective cohort study therefore was to examine whether psychological player characteristics assessed by a self administered questionnaire represent risk factors for injury Methods At baseline female elite football players approx 250 players will be asked to complete a detailed questionnaire covering player history previous injuries perception

    Original URL path: http://www.klokavskade.no/en/Project/172---Association-between-psychological-factors-and-injuries-in-female-elite-football-players/ (2015-09-15)
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  • Oslo Sports Trauma Research Center - 046 - Injury mechanisms for ACL injuries in team handball - a video analysis
    observational studies of the injury mechanisms for ACL injuries are currently not available The purpose of this study is to analyze the injury mechanisms and the playing situations for ACL injuries in female team handball All ACL injuries in 60 semi professional or amateur teams 942 players in the three upper divisions for women in Norwegian team handball were recorded during the 1998 99 season June May All the injured players participated in a personal or telephone interview done by physiotherapists based on a standardized questionnaire Among the information requested in each case was personal data playing situation and mechanism of injury In addition information on associate ligament injuries meniscal injuries or osteochondral injuries were obtained from the operating surgeon Videos of ACL injuries were also collected through a systematic search of Norwegian TV station archives and through contacts in the handball environment Three knee experts MDs with ACL clinical and research experience and three handball experts national team coaches analyzed the videos independently in order to describe the injury mechanisms and playing situations using standardized forms The physicians analysis the injury mechanisms at the time of the injury particularly to the knee biomechanics while the coaches analysis the playing

    Original URL path: http://www.klokavskade.no/en/Project/046---Injury-mechanisms-for-ACL-injuries-in-team-handball---a-video-analysis-/ (2015-09-15)
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  • Oslo Sports Trauma Research Center - 106 - Injuries in alpine skiing related to age groups
    injuries as well as the use of helmet was registered In this paper only injuries on alpine skies are reported Results A total of 4548 alpine skiing injuries were recorded during the 4 seasons 1042 23 of the injuries occurred in children 1108 24 were adolescent injuries and 2398 injuries 53 occurred among adults Eighty percent of the injured children were beginners or intermediate skiers 20 were advanced or expert skiers The corresponding numbers for injured adolescents and adults were 68 32 and 58 42 respectively p 0 001 In the children the most common injury sites were the lower leg 21 7 the knee 20 5 and the head 17 1 In the adolescents the most common injury locations were the knee 24 4 the head 19 6 and the hand 12 3 Among the adults the most common injury sites were the knee 31 1 the head 15 3 and the shoulder 14 5 The most common type of injury was a contusion in all three age groups counting for 41 4 of the injuries in children 39 8 of the injuries in adolescents and 31 7 of the injuries in adults Fractures were the second most common

    Original URL path: http://www.klokavskade.no/en/Project/106---Injuries-in-alpine-skiing-related-to-age-groups/ (2015-09-15)
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  • Oslo Sports Trauma Research Center - 144 - The 11+
    of the 11 warm up program on lower extremity injury rates in female youth football in a cluster randomized controlled trial This prospective cluster randomized controlled intervention study had a continuous injury registration from March to October 2007 Approximately 125 teams which participated in the J16 series girls aged 14 16 years in the middle and south of Norway were included corresponding to around 2 500 players The teams were randomized to either the intervention group or the control group An inclusion criterion was that the teams had conduct at least two training sessions per week in addition to match play to be allowed enrollment The teams in the intervention group were introduced to the 11 program in the pre season and followed it during the entire season as a part of each training session The running exercises were also used as warm up before matches The teams in the control group warmed up and trained as usual throughout the season The coaches and team captains from all the teams in the intervention group were invited to educational courses where the 11 warm up program was introduced These courses were arranged in each region by instructors from the Oslo Sports Trauma Research Center Through thorough instruction the participants learned to focus on knee control and awareness landing techniques cutting and planting all factors known to be important in preventing lower extremity injuries To make the instruction of their own players easier the coaches received an attractive loose leaf notebook which included an instructional booklet and weekly registration forms a pamphlet and a DVD Additionally every player received a poster describing the exercises through pictures and text Throughout the season the coaches registered injuries and individual player participation for each training session and match on weekly registration forms as well as

    Original URL path: http://www.klokavskade.no/en/Project/144---The-11-plus/ (2015-09-15)
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  • Oslo Sports Trauma Research Center - 160 - Risk factors for ACL-injuries in elite female football players
    to male players To prevent the occurence of ACL injuries from happening we need to understand the complexity of risk factors and injury mechanisms The objective of the present study is to increase our knowledge with regard to risk factors for ACL injuries in elite female football players In this prospective cohort study we will investigate whether various biomechanical neuromuscular and anatomical factors can predict the risk of sustaining a future ACL rupture By using a cross sectional design we also will explore the risk factors by comparing ACL injured and non injured players at baseline Methods All teams in the elite female football league N 12 teams approx 220 players per season have agreed to participate in this study The teams will be tested at the Norwegian School of Sport Sciences in February and March 2009 Similar screening tests will be conducted for new teams and players each season for the following seasons 2010 14 In February 2011 all the players tested in 2009 will be invited for re testing to assess the potential change in test variables After the baseline testing ACL injuries will be recorded for all team activities throughout the 2014 season In addition a complete injury registration will be conducted in the 2009 football season to describe the injury patterns in elite female football players Screening tests The test stations include marker based 3D motion analysis of vertical drop jumps and cutting maneuvers to to calculate knee hip and ankle joint kinematics and kinetics In addition a series of anatomical and neuromuscular screening tests are included knee joint laxity generalized joint laxity foot pronation hip anteversion anthropometric measures maximal muscle strength of the quadriceps hamstrings and hip abductors balance tests hamstrings flexibility and clinical assessement of frontal plane knee control We have also included a

    Original URL path: http://www.klokavskade.no/en/Project/160---Risk-factors-for-ACL-injuries-among-elite-female-football-players/ (2015-09-15)
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  • Oslo Sports Trauma Research Center - 001 - The young athlete´s health
    greatest risk of illness and injury Furthermore we know little about how the risk for various health problems is correlated with athletes physical fitness or training and their competition program The purpose of the project is to gain more knowledge about the extent of health problems in young elite athletes We want to map the extent of health problems in young elite athletes and how they experience health problems in the light of training competition and performance in their own sport Method First grade students at Elite Sport High schools Toppidrettsgymnas Wang Oslo NTG Bærum and NTG Lillehammer are invited to participate in this study In addition a group of athletes teammates from the local sport environment and students who are not engaged in elite sport will be invited to participate and serve as control students The project will take place in 2014 15 and students will be followed throughout the school year 2014 15 All included students will be asked to complete an electronic questionnaire about training and health history illnesses and injuries At baseline all first grade students from Wang and NTG will conduct a test battery of physical fitness Ironman Jr Throughout the study period all participants

    Original URL path: http://www.klokavskade.no/en/Project/001---/ (2015-09-15)
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  • Oslo Sports Trauma Research Center - 202 - Validation of a video analysis technique for studying pivot shift kinematics
    It is therefore important to develop better reconstruction procedures to restore rotatory stability as well as anterior stability Rotatory instability is commonly examined by pivot shift test in a clinical setting The pivot shift test has been shown to be superior to anterior stability tests such as Lachman and KT 1000 measurement when it comes to predicting patient reported instability poor subjective and objective outcome scores as well as osteoarthritis after ACL reconstruction Despite the clinical value of the pivot shift test it is evaluated based on clinician s subjective impression This subjective grading has been shown to have low inter observer reliability Moreover there is no world wide consensus on the grading criteria Although some objective measurements have been used in clinical practice to quantitatively evaluate the pivot shift test such as electromagnetic device open magnetic resonance imaging system and navigation system several problems remain regarding their accuracy cost and invasiveness Among them navigation system seems to be the most accurate However due to its invasiveness it can be used only during surgery which means that we can not compare the motion of the injured knee with healthy subjects or contralateral knee A model based image matching MBIM technique has been developed to extract joint kinematics from video recordings using one or more uncalibrated cameras This technique allows six degrees of freedom for knee motions and is easily applied to a clinical setting Although it has been validated in knee and hip motions in running and cutting maneuvers estimates for internal external rotation were less precise than flexion extension and ad abduction Moreover estimates for anterior translation have not been validated However using pre calibrated non moving cameras positioned close to the moving segments it is likely that also internal external rotations can be measured with higher accuracy Objective

    Original URL path: http://www.klokavskade.no/en/Project/202---Validation-of-a-video-analysis-technique-for-studying-pivot-shift-kinematics/ (2015-09-15)
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  • Oslo Sports Trauma Research Center - 199 - Video analysis of ACL injuries in Sumo Wrestling
    Kenichi Goshima Co worker s Yosuke Shima Tron Krosshaug Project status Preparation Print Descriptions There has been a major focus on non contact ACL injuries in the scientific community However this research has been directed towards ball team sports such as team handball basketball and football However there is also non contact ACL injuries in other types of sports for instance sumo wrestling Such sports may also have different mechanisms

    Original URL path: http://www.klokavskade.no/en/Project/Video-analysis-of-ACL-injuries-in-Sumo-Wrestling/ (2015-09-15)
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