Browsing Brage NIH by Author "Andersen, Thor Einar"
Now showing items 1-20 of 32
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Adductor Strengthening Programme is successfully adopted but frequently modified in Norwegian male professional football teams: A cross-sectional study
Stensø, Joakim Schanke; Andersen, Thor Einar; Harøy, Joar (Peer reviewed; Journal article, 2022)Objectives: Groin injuries represent a substantial problem in male football, with the Adductor Strengthening Programme (ASP) being the only exercise programme demonstrated to significantly reduce the risk of groin problems. ... -
Assessing the cumulative effect of long-term training load on the risk of injury in team sports
Bache-Mathiesen, Lena Kristin; Andersen, Thor Einar; Dalen-Lorentsen, Torstein; Clarsen, Benjamin Matthew; Fagerland, Morten Wang (Peer reviewed; Journal article, 2022)Objectives: Determine how to assess the cumulative effect of training load on the risk of injury or health problems in team sports. Methods: First, we performed a simulation based on a Norwegian Premier League male ... -
Atrial size and function in athletes
Gjerdalen, G. F.; Hisdal, Jonny; Solberg, E. E.; Andersen, Thor Einar; Radunovic, Z.; Steine, K. (Journal article; Peer reviewed, 2015)We wanted to explore if change in LA size would influence LA function, or increase regurgitation in the atrioventricular valves. 595 male elite football players and 47 non-athletic controls were included. End-systolic LA ... -
Changes in circulating microRNAs following head impacts in soccer
Sandmo, Stian Bahr; Matyasova, Katarina; Filipcik, Peter; Cente, Martin; Koerte, Inga Katharina; Pasternak, Ofer; Andersen, Thor Einar; Straume-Næsheim, Truls Martin; Bahr, Roald; Jurisica, Igor (Peer reviewed; Journal article, 2022)Aim: To explore the short-term effects of accidental head impacts and repetitive headers on circulating microRNAs, accounting for the effects of high-intensity exercise alone. Methods: Blood samples were collected from ... -
A cherry, ripe for picking: The relationship between the acute-chronic workload ratio and health problems
Dalen-Lorentsen, Torstein; Andersen, Thor Einar; Bjørneboe, John Andreas; Vagle, Markus; Martin, Kevin Nordanger; Kleppen, Michael; Fagerland, Morten; Clarsen, Benjamin Matthew (Peer reviewed; Journal article, 2021)Objective: To investigate whether the relationship between the acute-chronic workload ratio (ACWR) and health problems varies when different methodological approaches are used to quantify it. Design: Prospective cohort ... -
Do minor head impacts in soccer cause concussive injury? : a prospective case-control study
Straume-Næsheim, Truls Martin; Andersen, Thor Einar; Holme, Ingar Morten K.; McIntosh, Andrew; Dvorak, Jiri; Bahr, Roald (Peer reviewed; Journal article, 2009-04)OBJECTIVE: Our objective was to determine whether minor head trauma in elite soccer matches causes measurable impairment in brain function. METHODS: Baseline neuropsychological testing was completed by professional ... -
Does load management using the acute:chronic workload ratio prevent health problems?: A cluster randomised trial of 482 elite youth footballers of both sexes
Dalen-Lorentsen, Torstein; Bjørneboe, John Andreas; Clarsen, Benjamin Matthew; Vagle, Markus; Fagerland, Morten; Andersen, Thor Einar (Peer reviewed; Journal article, 2020)Background: The acute:chronic workload ratio (ACWR) is commonly used to manage training load in sports, particularly to reduce injury risk. However, despite its extensive application as a prevention intervention, the ... -
ECSS Position Statement 2009: prevention of acute sports injuries
Steffen, Kathrin; Andersen, Thor Einar; Krosshaug, Tron; van Mechelen, Willem; Verhagen, Evert A.; Bahr, Roald (Journal article; Peer reviewed, 2010-06-09)To maximize the health benefits of sports and exercise and to minimize the direct and indirect costs associated with injuries, developing and adopting injury prevention strategies is an important goal. The aim of this ECSS ... -
Evaluation of an In-Ear Sensor for Quantifying Head Impacts in Youth Soccer
Sandmo, Stian Bahr; McIntosh, Andrew S.; Andersen, Thor Einar; Koerte, Inga; Bahr, Roald (Peer reviewed; Journal article, 2019)Background: Wearable sensor systems have the potential to quantify head kinematic responses of head impacts in soccer. However, on-field use of sensors (eg, accelerometers) remains challenging, owing to poor coupling to ... -
Facilitators and barriers for implementation of a load management intervention in football
Dalen-Lorentsen, Torstein; Ranvik, Andreas M.; Bjørneboe, John Andreas; Clarsen, Benjamin Matthew; Andersen, Thor Einar (Peer reviewed; Journal article, 2021)Background: In a recent randomised controlled trial, we found that a commonly used training load management approach was not effective in preventing injuries and illnesses in Norwegian elite youth footballers. Aim: To ... -
Field based lower limb strength tests provide insight into sprint and change of direction ability in academy footballers
Jones, Steven; Mullen, Rich; Clair, Zoe; Wrigley, Russ; Andersen, Thor Einar; Williams, Morgan (Peer reviewed; Journal article, 2021)Conducting field-based strength assessments is embedded within football academy development processes. Yet, there is a limited understanding of how hip and groin strength assessments relate to vital game-based tasks such ... -
Head impact exposure in youth football: Are current interventions hitting the target?
Sandmo, Stian Bahr; Andersen, Thor Einar; Koerte, Inga Katharina; Bahr, Roald (Peer reviewed; Journal article, 2019)Restrictions on heading in youth football have been implemented in some countries to limit head impact exposure. However, current interventions remain poorly guided by evidence. Our objective was to quantify heading exposure ... -
Implementation of the Adductor Strengthening Programme: Players primed for adoption but reluctant to maintain? - A cross-sectional study
Harøy, Joar; Wiger, Espen Guldahl; Bahr, Roald; Andersen, Thor Einar (Peer reviewed; Journal article, 2019)Groin injuries represent a considerable problem in male football, accounting for 4%‐19% of all time‐loss injuries. The Adductor Strengthening Programme is the first groin‐specific prevention program shown to reduce the ... -
Including the Copenhagen Adduction Exercise in the FIFA 11+ provides missing eccentric hip adduction strength effect in male soccer players: A randomized controlled trial
Harøy, Joar; Thorborg, Kristian; Serner, Andreas; Bjørkheim, Andre; Rolstad-Martinez, Linn E.; Hölmich, Per; Bahr, Roald; Andersen, Thor Einar (Journal article; Peer reviewed, 2017-08-14)Background: The FIFA 111 was developed as a complete warm-up program to prevent injuries in soccer players. Although reduced hip adduction strength is associated with groin injuries, none of the exercises included in the ... -
Injury characteristics in Norwegian male professional football: A comparison between a regular season and a season in the pandemic
Dalen-Lorentsen, Torstein; Andersen, Thor Einar; Thorbjørnsen, Christian; Brown, Michael; Tovi, David; Braastad, Anders; Lindinger, Tom Gerald; Williams, Christian; Moen, Eirik; Clarsen, Benjamin Matthew; Bjørneboe, John Andreas (Peer reviewed; Journal article, 2022)The Coronavirus Disease-19 (COVID-19) pandemic forced the Norwegian male premier league football season to reschedule, reducing the fixture calendar substantially. Previous research has shown that a congested match schedule ... -
Injury prevention strategies at the FIFA 2014 World Cup: perceptions and practices of the physicians from the 32 participating national teams
McCall, Alan; Davison, Michael; Andersen, Thor Einar; Beasley, Ian; Bizzini, Mario; Dupont, Gregory; Duffield, Rob; Carling, Chris; Dvorak, Jiri (Journal article; Peer reviewed, 2015)Purpose: The available scientific research regarding injury prevention practices in international football is sparse. The purpose of this study was to quantify current practice with regard to (1) injury prevention of ... -
Lower incidence of arm-to-head contact incidents with stricter interpretation of the Laws of the Game in Norwegian male professional football
Bjørneboe, John; Bahr, Roald; Dvorak, Jiri; Andersen, Thor Einar (Journal article; Peer reviewed, 2013-01-11)Background Video analyses reveal that the rate of incidents with a propensity for injury caused by opponent-to-player contact has increased by about 50% from 2000 to 2010 in Norwegian male professional football. The aim ... -
Minor head trauma in soccer and serum levels of S100B
Straume-Næsheim, Truls Martin; Andersen, Thor Einar; Jochum, Marianne; Dvorak, Jiri; Bahr, Roald (Peer reviewed; Journal article, 2008-06)OBJECTIVE: To compare the serum levels of S100B after head trauma with the effect of heading, high-intensity exercise, and playing in a league match. Heading and head trauma in soccer have been suspected to cause brain ... -
A new statistical approach to training load and injury risk: Separating the acute from the chronic load
Bache-Mathiesen, Lena Kristin; Andersen, Thor Einar; Dalen-Lorentsen, Torstein; Tabben, Montassar; Chamari, Karim; Clarsen, Benjamin Matthew; Fagerland, Morten (Peer reviewed; Journal article, 2024)The relationship between recent (acute) training load relative to long-term (chronic) training load may be associated with sports injury risk. We explored the potential for modelling acute and chronic loads separately to ... -
No association between surface shifts and time-loss overuse injury risk in male professional football
Kristenson, Karolina; Bjørneboe, John Andreas; Waldén, Markus; Andersen, Thor Einar; Hägglund, Martin; Ekstrand, Jan (Journal article; Peer reviewed, 2016-03)Objectives: To investigate frequent surface shifts and match play on an unaccustomed surface as potential risk factors for injury in Scandinavian male professional football. Design: Prospective cohort study. ...