Blar i Brage NIH på forfatter "Bahr, Roald"
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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 ... -
Early versus delayed lengthening exercises for acute hamstring injury in male athletes: A randomised controlled clinical trial
Vermeulen, Robin; Whiteley, Rod; van der Made, Anne D.; van Dyk, Nicol; Almusa, Emad; Geertsema, Celeste; Targett, Stephen; Farooq, Abdulaziz; Bahr, Roald; Tol, Johannes L.; Wangensteen, Arnlaug (Peer reviewed; Journal article, 2022)Background: To evaluate the efficacy of early versus delayed introduction of lengthening (ie, eccentric strengthening) exercises in addition to an established rehabilitation programme on return to sport duration for acute ... -
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 ... -
Effects of high and low training volume with the Nordic hamstring exercise on hamstring strength, jump height, and sprint performance in female football players: A randomised trial
Amundsen, Roar; Thorarinsdottir, Solveig; Møller, Merete; Bahr, Roald; Heimland, Janita Sæther (Peer reviewed; Journal article, 2022)The evidence-based hamstring strengthening programme for prevention of hamstring injuries is not adopted by football teams because of its high training volume. This study on female football players investigated if high-volume ... -
Epidemiology and risk factors for heat illness: 11 years of Heat Stress Monitoring Programme data from the FIVB Beach Volleyball World Tour
Racinais, Sebastien; Alhammoud, Marine; Nasir, Nada; Bahr, Roald (Peer reviewed; Journal article, 2020)Objectives: To analyse 11 years of FIVB heat stress-monitoring data to determine the relative influence of the different environmental parameters in increasing the likelihood of a heat-related medical time-out (MTOheat). ... -
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 ... -
Evaluation of ski-binding-boot system safety using torque testing
Costa-Scorse, Brenda A.; Hopkins, Will G.; Bahr, Roald (Journal article; Peer reviewed, 2015-07)This study evaluated release torque values for rental ski-binding-boot (S-B-B) systems that had one to four seasons use in a popular New Zealand commercial ski area. The proportions of S-B-B systems in classes of deviation ... -
Evidence-based hamstring injury prevention is not adopted by the majority of Champions League or Norwegian Premier League football teams: The Nordic Hamstring survey
Bahr, Roald; Thorborg, Kristian; Ekstrand, Jan (Journal article; Peer reviewed, 2015-05-20)Background: The Nordic hamstring (NH) exercise programme was introduced in 2001 and has been shown to reduce the risk of acute hamstring injuries in football by at least 50%. Despite this, the rate of hamstring injuries ... -
Expanding the screening toolbox to promote athlete health: how the US Olympic & Paralympic Committee screened for health problems in 940 elite athletes
Nabhan, Dustin; Lewis, Melie; Taylor, David; Bahr, Roald (Peer reviewed; Journal article, 2020)Aim: To assess the value of including validated screening tools for allergies, anxiety, depression, sleep apnoea and sleep quality into an electronic patient health history questionnaire. Methods: In this descriptive study, ... -
Fractures in professional footballers: 7-years data from 106 team seasons in the Middle East
Ngai, Aston Seng Huey; Beasley, Ian; Materne, Olivier; Farooq, Abdulaziz; Tabben, Montassar; Chebbi, Souhail; Ellouze, Zied; Arnáiz, Javier; Alkhelaifi, Khalid; Bahr, Roald; Chamari, Karim (Peer reviewed; Journal article, 2023)Epidemiological studies on fractures in European professional football (soccer) are in abundance. However, such data are lacking in Middle Eastern professional footballers and information on fracture treatment is scarce. ... -
Genetic variation in candidate genes and patellar tendinopathy: Prospective cohort study of 126 elite volleyball players
Haug, Kari Bente Foss; Visnes, Håvard; Sivertsen, Einar; Bahr, Roald (Journal article; Peer reviewed, 2018)Variation in genes coding for structural proteins may represent risk factors for developing tendinopathy among athletes. The purpose of this prospective cohort study of elite volleyball students was to investigate whether ... -
Hamstring and ankle flexibility deficits are weak risk factors for hamstring injury in professional soccer players: A prospective cohort study of 438 players including 78 injuries
van Dyk, Nicol; Farooq, Abdulaziz; Bahr, Roald; Witvrouw, Erik (Journal article; Peer reviewed, 2018)Background: Hamstring injuries remain a significant injury burden in sports such as soccer that involve high-speed running. It has repeatedly been identified as the most common noncontact injury in elite male soccer, ... -
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 ... -
Health conditions detected in a comprehensive periodic health evaluation of 558
Bakken, Arnhild; Targett, Stephen; Bere, Tone; Adamuz, Maria-Carmen; Tol, Johannes L.; Whiteley, Rod; Wilson, Mathew G.; Witvrouw, Erik; Khan, Karim M.; Bahr, Roald (Journal article; Peer reviewed, 2016-03-24)Background: Despite widespread use of periodic health evaluation (PHE) to detect and prevent injury and illness in athletes, its effectiveness in detecting health conditions and relevant risk factors is still debated. ... -
Helmet use and risk of head injuries in alpine skiers and snowboarders: changes after an interval of one decade
Sulheim, Steinar; Ekeland, Arne; Holme, Ingar Morten K.; Bahr, Roald (Journal article; Peer reviewed, 2016-08-16)Background: In a previous study, we concluded that a safety helmet can reduce the risk for head injury by 60%. Other studies reported similar effects, resulting in a general recommendation to wear a helmet while skiing or ... -
High jump demands in professional volleyball – large variability exists between players and player positions
Skazalski, Christopher; Whiteley, Rod; Bahr, Roald (Journal article; Peer reviewed, 2018)Purpose: Training volume has been associated with jumper's knee in volleyball players, but jump variability among professionals has not been investigated and individual jump demands are unknown. The purpose of this study ... -
High-speed running during match-play before and after return from hamstring injury in professional footballers
Whiteley, Rodney; Gregson, Warren; Bahr, Roald; Tabben, Montassar; Chamari, Karim; Lolli, Lorenzo; Salvo, Valter Di (Peer reviewed; Journal article, 2022)Hamstring injuries constitute the single largest cause of lost playing time in professional football. While restoring high-speed running ability is paramount for rehabilitation from these injuries, little evidence exists ... -
Hip and Ankle Kinematics in Noncontact Anterior Cruciate Ligament Injury Situations: Video Analysis Using Model-Based Image Matching
Koga, Hideyuki; Nakamae, Atsuo; Shima, Yosuke; Bahr, Roald; Krosshaug, Tron (Journal article; Peer reviewed, 2017)Background: Detailed kinematic descriptions of real anterior cruciate ligament (ACL) injury situations are limited to the knee only. Purpose: To describe hip and ankle kinematics as well as foot position relative to the ... -
How much is too much? (Part 1): International Olympic Committee consensus statement on load in sport and risk of injury
Solligard, Torbjørn; Schwellnus, Martin; Alonso, Juan-Manuel; Bahr, Roald; Clarsen, Benjamin Matthew; Djikstra, H Paul; Gabbett, Tim; Gleeson, Michael; Hägglund, Martin; Hutchinson, Mark R.; van Rensburg, Christa Janse; Khan, Karim M.; Meeusen, Romain; Orchard, John W.; Pluim, Babette M.; Raftery, Martin; Budgett, Richard; Engebretsen, Lars (Journal article; Peer reviewed, 2016-07-05)Athletes participating in elite sports are exposed to high training loads and increasingly saturated competition calendars. Emerging evidence indicates that poor load management is a major risk factor for injury. The ... -
How much is too much? (Part 2): International Olympic Committee consensus statement on load in sport and risk of illness
Schwellnus, Martin; Soligard, Torbjørn; Alonso, Juan-Manuel; Bahr, Roald; Clarsen, Benjamin Matthew; Djikstra, H Paul; Gabett, Tim J.; Gleeson, Michael; Hägglund, Martin; Hutchinson, Mark R.; Rensburg, Christa Janse Van; Meeusen, Romain; Orchard, John W.; Pluim, Babette M.; Raftery, Martin; Budgett, Richard; Engebretsen, Lars (Journal article; Peer reviewed, 2016-07-03)The modern-day athlete participating in elite sports is exposed to high training loads and increasingly saturated competition calendar. Emerging evidence indicates that inappropriate load management is a significant risk ...