Browsing Brage NIH by Author "Bahr, Roald"
Now showing items 1-20 of 119
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A 3-year population-based study of exercise-related sudden cardiac arrest among 12- to 50-year-old Norwegians
Isern, Cecilie Benedicte; Kramer-Johansen, Jo; Bahr, Roald; Berge, Hilde Moseby; Myrhaugen, Ingvild Beathe Tjelmeland (Peer reviewed; Journal article, 2023)Introduction: Regular exercise is associated with reduced risk of cardiovascular disease. Paradoxically, an increased risk of sudden cardiac arrest (SCA) is documented during or immediately after exercise and in athletes ... -
A valid and reliable method to measure jump-specific training and competition load in elite volleyball players
Skazalski, Christopher; Whiteley, Rod; Hansen, Clint; Bahr, Roald (Journal article; Peer reviewed, 2018)Purpose: Use of a commercially available wearable device to monitor jump load with elite volleyball players has become common practice. The purpose of this study was to evaluate the validity and reliability of this device, ... -
ACL injury incidence in female handball 10 years after the Norwegian ACL prevention study: Important lessons learned
Myklebust, Grethe; Skjølberg, Arnhild; Bahr, Roald (Journal article; Peer reviewed, 2013-02-12)Success in injury prevention in the short run is possible. Several studies have documented that injuries can be prevented if programme compliance is sufficient. However, the efficacy of an intervention is in a controlled ... -
ACL injury incidence, severity and patterns in professional male soccer players in a Middle Eastern league
Rekik, Raouf Nader; Tabben, Montassar; Eirale, Christiano; Landreau, Philippe; Bouras, Rachid; Wilson, Mathew G; Gillogly, Scott; Bahr, Roald; Chamari, Karim (Journal article; Peer reviewed, 2018)Aim: To ascertain ACL injury incidence, severity (injury burden) and patterns (contact/non-contact and reinjuries) in a professional male football league in the Middle East over five consecutive seasons. Methods: Prospective ... -
Age, player position and 2 min suspensions were associated with match injuries during the 2017 Men's Handball World Championship (France)
Tabben, Montassar; Landreau, Philippe; Chamari, Karim; Juin, Gerard; Ahmed, Hosny; Farooq, Abdulaziz; Bahr, Roald; Popovic, Nebojsa (Journal article; Peer reviewed, 2018)Aim: To study the association between player characteristics, technical components of the game and the risk of match injuries during the 2017 Men’s Handball World Championship. Methods: Team physicians of the participating ... -
Analysis of a severe head injury in world cup alpine skiing
Yamazaki, Junya; Gilgien, Matthias; Kleiven, Svein; McIntosh, Andrew S.; Nachbauer, Werner; Müller, Erich; Bere, Tone Tufte; Bahr, Roald; Krosshaug, Tron (Journal article; Peer reviewed, 2015-06)Traumatic brain injury (TBI) is the leading cause of death in alpine skiing. It has been found that helmet use can reduce the incidence of head injuries between 15% and 60%. However, knowledge on optimal helmet performance ... -
Application of a tri-axial accelerometer to estimate jump frequency in volleyball
Jarning, Jon M.; Mok, Kam-Ming; Hansen, Bjørge Herman; Bahr, Roald (Journal article; Peer reviewed, 2015-04-23)Patellar tendinopathy is prevalent among athletes, and most likely associated with a high jumping load. If methods for estimating jump frequency were available, this could potentially assist in understanding and preventing ... -
Association between Lower Extremity Muscle Strength and Noncontact ACL Injuries
Steffen, Kathrin; Nilstad, Agnethe; Kristianslund, Eirik Klami; Myklebust, Grethe; Bahr, Roald; Krosshaug, Tron (Journal article; Peer reviewed, 2016)Purpose: This study aimed to prospectively investigate the association between isolated and functional lower extremity muscle strength and the risk for noncontact anterior cruciate ligament (ACL) injury in Norwegian female ... -
Association between preseason fitness level and risk of injury or illness in male elite ice hockey players: A prospective cohort study
Nordstrøm, Anine; Bahr, Roald; Clarsen, Benjamin Matthew; Talsnes, Ove (Peer reviewed; Journal article, 2022)Background: Little is known about the association between physical fitness and the risk of injury or illness in ice hockey. The least-fit players may be more prone to injury and illness. Purpose: To examine the association ... -
Association of skeletal maturity and injury risk in elite youth soccer players: A 4-season prospective study with survival analysis
Materne, Olivier; Chamari, Karim; Farooq, Abdulaziz; Weir, Adam; Hölmich, Per; Bahr, Roald; Greig, Matt; McNaughton, Lars R. (Peer reviewed; Journal article, 2021)Background: The association between injury risk and skeletal maturity in youth soccer has received little attention. Purpose: To prospectively investigate injury patterns and incidence in relation to skeletal maturity ... -
Association of training and game loads to injury risk in junior male elite ice hockey players: A prospective cohort study
Nordstrøm, Anine; Bahr, Roald; Bache-Mathiesen, Lena Kristin; Clarsen, Benjamin Matthew; Talsnes, Ove (Peer reviewed; Journal article, 2022)Background: Training and game loads are potential risk factors of injury in junior elite ice hockey, but the association of training and game loads to injuries is unknown. Purpose: To investigate the association of ... -
Associations between health problems and athlete burnout: A cohort study in 210 adolescent elite athletes
Moseid, Nils Fredrik Holm; Lemyre, Nicolas; Moseid, Christine Holm; Bahr, Roald; Roberts, Glyn C.; Fagerland, Morten Wang (Peer reviewed; Journal article, 2023)Objectives: We studied associations between the burden of health problems and athlete burnout in a population of athletes from Norwegian Sport Academy High Schools. Methods: This is a mixed prospective/retrospective ... -
Attitudes, beliefs, and behavior toward shoulder injury prevention in elite handball: Fertile ground for implementation
Andersson, Stig Haugsbø; Bahr, Roald; Olsen, Magnus Johnsen; Myklebust, Grethe (Peer reviewed; Journal article, 2019)We aimed to examine attitudes, beliefs, and current behavior toward risk factors and prevention of shoulder injuries, and to investigate the application of an exercise program during a cluster‐randomized controlled trial ... -
Beach soccer injuries during the Japanese National Championships
Shimakawa, Tomoyuki; Shimakawa, Yusuke; Kawasoe, Yoko; Yoshimura, Kouji; Chinen, Yuma; Eimon, Kazuya; Chibana, Wataru; Shirota, Shinichi; Kadekawa, Kei; Bahr, Roald; Uezato, Tomomi; Ikeda, Hiroshi (Journal article; Peer reviewed, 2016-01-26)Background: The frequency and severity of injury in beach soccer are unknown. Purpose: To estimate the incidence rates, characteristics, and risk factors for injuries associated with beach soccer. Study Design: ... -
Between-limb symmetry in ACL and tibiofemoral contact forces in athletes after ACL reconstruction and clearance for return to sport
Kotsifaki, Argyro; Van Rossom, Sam; Whiteley, Rod; Korakakis, Vasileios; Bahr, Roald; D’Hooghe, Pieter; Papakostas, Emmanuel; Sideris, Vasileios; Farooq, Abdulaziz; Jonkers, Ilse (Peer reviewed; Journal article, 2022)Background: Current return-to-sport (RTS) criteria after anterior cruciate ligament (ACL) reconstruction (ACLR) include demonstrating symmetry in functional and strength tests. It remains unknown if at the time that athletes ... -
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 ... -
Characteristics of functional movement screening testing in elite handball players: Indicative data from the 9+
Rafnsson, ET; Myklebust, Grethe; Bahr, Roald; Valdimarsson, Ö; Frohm, A; Arnason, A (Peer reviewed; Journal article, 2019)Objectives: To test 9 + screening batterie's intra-rater reliability, to provide indicative data of elite handball players, and to analyze difference between age, playing positions and level of play. Design: Descriptive ... -
Coexistence of up-regulated NMDA receptor 1 and glutamate on nerves, vessels and transformed tenocytes in tendinopathy
Schizas, Nikos; Lian, Øystein; Frihagen, Frede; Engebretsen, Lars; Bahr, Roald; Ackermann, Paul W. (Journal article; Peer reviewed, 2009-04-14)Elevated levels of the neurotransmitter glutamate and the presence of its receptor, N-methyl-d-aspartate receptor type 1 (NMDAR1), have been established in patients with tendinopathy, i.e. chronic tendon pain and degeneration. ... -
Cross-site harmonization of multi-shell diffusion MRI measures based on rotational invariant spherical harmonics (RISH)
De Luca, Alberto; Karayumak, Suheyla Cetin; Leemans, Alexander; Rathi, Yogesh; Swinnen, Stephan; Gooijers, Jolien; Clauwaert, Amanda; Bahr, Roald; Sandmo, Stian Bahr; Sochen, Nir; Kaufmann, David; Muehlmann, Marc; Biessels, Geert-Jan; Koerte, Inga; Pasternak, Ofer (Peer reviewed; Journal article, 2022)Quantification methods based on the acquisition of diffusion magnetic resonance imaging (dMRI) with multiple diffusion weightings (e.g., multi-shell) are becoming increasingly applied to study the in-vivo brain. Compared ... -
Cross-validation of a machine learning algorithm that determines anterior cruciate ligament rehabilitation status and evaluation of its ability to predict future injury
Richter, Chris; Petushek, Erich; Grindem, Hege; Franklyn-Miller, Andrew; Bahr, Roald; Krosshaug, Tron (Peer reviewed; Journal article, 2021)Classification algorithms determine the similarity of an observation to defined classes, e.g., injured or healthy athletes, and can highlight treatment targets or assess progress of a treatment. The primary aim was to ...