Blar i AURA på forfatter "Bjørnsen, Thomas"
-
Antioxidants and muscle growth in elderly : the effect of supplementation with vitamin C and E on muscle growth and maximal strength during 12 weeks of resistance exercise in eldery men
Bjørnsen, Thomas (Master thesis, 2013)INTRODUCTION: Supplementation with antioxidants could either facilitate or hamper adaptations to resistance exercise due to redox-sensitive signaling pathways that regulate protein synthesis. Thus, the aim of the present ... -
Assessing the individual relationships between physical test improvements and external load match parameters in male professional football players—a brief report
Byrkjedal, Per Thomas; Bjørnsen, Thomas; Steinnes Luteberget, Live; Ivarsson, Andreas; Spencer, Matt (Peer reviewed; Journal article, 2024)Purpose: This study aimed to explore whether a meaningful improvement in physical performance following an in-season strength training intervention can be related to external load match parameters at an individual level ... -
Association Between Physical Performance Tests and External Load During Scrimmages in Highly Trained Youth Ice Hockey Players
Byrkjedal, Per T.; Bjørnsen, Thomas; Luteberget, Live S.; Lindberg, Kolbjørn; Ivarsson, Andreas; Haukali, Eirik; Spencer, Matt (Peer reviewed; Journal article, 2022)Purpose: To investigate the relationship between physical performance tests and on-ice external load from simulated games (scrimmages) in ice hockey. Methods: A total of 14 players completed a physical performance test ... -
Association Between Physical Performance Tests and External Load During Scrimmages in Highly Trained Youth Ice Hockey Players
Byrkjedal, Per Thomas; Bjørnsen, Thomas; Luteberget, Live; Lindberg, Kolbjørn Andreas; Ivarsson, Andreas; Haukali, Eirik; Spencer, Matthew (Peer reviewed; Journal article, 2023)Purpose: To investigate the relationship between physical performance tests and on-ice external load from simulated games (scrimmages) in ice hockey. Methods: A total of 14 players completed a physical performance test ... -
Associations between Power Training-Induced Changes in Body Composition and Physical Function in Older Men: A Pre-Test-Post-Test Experimental Study
Fosstveit, Sindre Herskedal; Lindberg, Kolbjørn Andreas; Bjørnsen, Thomas; Sibayan, Erlend E.; Fjeller, Joachim S.; Løvold, Sondre; Kolnes, Tommy M.; Vårvik, Fredrik Tonstad; Berntsen, Sveinung; Seiler, Hilde Lohne (Peer reviewed; Journal article, 2023)Background: It is well-established that cross-sectional measurements of poor body composition are associated with impaired physical function and that power training effectively enhances total lean mass and physical function ... -
Associations between Power Training-Induced Changes in Body Composition and Physical Function in Older Men: A Pre-Test–Post-Test Experimental Study
Fosstveit, Sindre Herskedal; Lindberg, Kolbjørn Andreas; Bjørnsen, Thomas; Sibayan, Erlend E.; Fjeller, Joachim S.; Løvold, Sondre; Kolnes, Tommy M.; Vårvik, Fredrik Tonstad; Berntsen, Sveinung; Lohne-Seiler, Hilde (Peer reviewed; Journal article, 2023)It is well-established that cross-sectional measurements of poor body composition are associated with impaired physical function and that power training effectively enhances total lean mass and physical function in older ... -
Autoregulation of Resistance Training in High-Level Soccer Players In-Season: A comparison between self-regulation versus GPS-regulation of training volume on muscle strength- and hypertrophy adaptions
Tveitan Kittilsen, Eirik (Master thesis, 2022)PURPOSE: The study aimed to compare maximal muscle strength- and hypertrophy adaptions promoted by self-regulating versus GPS-regulating resistance training volume (series x repetitions) in high-level soccer players ... -
Caffeine Increases Strength and Power Performance in Resistance-trained Females During Early Follicular Phase
Norum, Martin; Risvang, Linn; Bjørnsen, Thomas; Dimitriou, Lygeri; Rønning, Per Ola; Bjørgen, Morten; Raastad, Truls (Journal article; Peer reviewed, 2020) -
The Effect of Carbohydrate Intake on Strength and Resistance Training Performance: A Systematic Review
Henselmans, Menno; Bjørnsen, Thomas; Hedderman, Richie; Vårvik, Fredrik Tonstad (Peer reviewed; Journal article, 2022)High carbohydrate intakes are commonly recommended for athletes of various sports, including strength trainees, to optimize performance. However, the effect of carbohydrate intake on strength training performance has not ... -
Effect of free-weight vs. machine-based strength training on maximal strength, hypertrophy and jump performance – a systematic review and meta-analysis
Haugen, Markus Estifanos; Vårvik, Fredrik Tonstad; Larsen, Stian; Haugen, Arvid Steinar; van den Tillaar, Roland Johannes Wilhelmus; Bjørnsen, Thomas (Peer reviewed; Journal article, 2023)Background The efectiveness of strength training with free-weight vs. machine equipment is heavily debated. Thus, the purpose of this meta-analysis was to summarize the data on the efect of free-weight versus machine-based ... -
Effect of high-load strength training vs. combined high-load and power-plyometric training on muscle architecture, and muscle architecture as a determinant of explosive strength
Kristiansen, Sigurd (Master thesis, 2024)This study aimed to compare the effect of in-season high-load strength training versus combined high-load and power-plyometric training on changes in muscle architecture, and investigate the relationship between muscle ... -
Effect of in-season resistance exercise-induced changes in muscle size and strength on match-related handball external load measurements
Pedersen, Silje Marie (Master thesis, 2023)Purpose: this study aimed to investigate if in-season resistance training-induced changes in maximal lower-body strength and fat-free mass could influence changes in match-related handball external load measurements. Method: ... -
Effect of isolated and combined ingestion of caffeine and citrulline malate on resistance exercise and jumping performance: a randomized double-blind placebo-controlled crossover study
Haugen, Markus Estifanos; Vårvik, Fredrik Tonstad; Grgic, Jozo; Studsrud, Henrik; Austheim, Espen; Zimmermann, Erik Mathias; Falch, Hallvard Nygaard; Larsen, Stian; van den Tillaar, Roland Johannes Wilhelmus; Bjørnsen, Thomas (Peer reviewed; Journal article, 2023)Purpose The aim of this study was to explore the isolated and combined efects of cafeine and citrulline malate (CitMal) on jumping performance, muscular strength, muscular endurance, and pain perception in resistance-trained ... -
Effectiveness of individualized training based on force–velocity profiling on physical function in older men
Lindberg, Kolbjørn Andreas; Lohne-Seiler, Hilde; Fosstveit, Sindre Herskedal; Sibayan, Erlend E.; Fjeller, Joachim S.; Løvold, Sondre; Kolnes, Tommy M.; Vårvik, Fredrik Tonstad; Berntsen, Sveinung; Paulsen, Gøran; Seynnes, Olivier R.; Bjørnsen, Thomas (Peer reviewed; Journal article, 2022)The study aimed to investigate the effectiveness of an individualized power training program based on force–velocity (FV) profiling on physical function, muscle morphology, and neuromuscular adaptations in older men. ... -
The effects of being told you are in the intervention group on training results: a pilot study
Lindberg, Kolbjørn Andreas; Bjørnsen, Thomas; Vårvik, Fredrik Tonstad; Paulsen, Gøran; Joensen, Malene; Kristoffersen, Morten; Sveen, Ole; Gundersen, Hilde; Slettaløkken, Gunnar; Brankovic, Robert; Solberg, Paul Andre (Peer reviewed; Journal article, 2023)Little is known about the placebo effects when comparing training interventions. Consequently, we investigated whether subjects being told they are in the intervention group get better training results compared to subjects ... -
Effects of In-Season Subjective vs. Objective Autoregulation on Sprint-, Jump- and Power Performance in Professional Soccer Players
Homman, Chris Jakob (Master thesis, 2022)ABSTRACT Purpose: The study aimed to compare the effects of subjective and objective autoregulation of strength training on sprint time, jump height and power in-season in professional soccer players. Methods: Sixteen ... -
Effekten av Citrulline Malate på blodstrøm hos unge friske menn
Grannes Martinsen, Nils Johan (Master thesis, 2022)The use of ergogenic compounds has gained increasing popularity among athletes who wish to improve athletic performance and recover faster from their workouts. Among these products is Citrulline Malate (CitMal); a precursor ... -
Effekten av endring i styrke og muskelmasse på prestasjonen i fotball
Vangen, Therese Ebbesen (Master thesis, 2023)Abstract Purpose: This study was made to take a closer look at changes in strength and muscle mass, and the effects they would have after a strength training intervention. Methods: This is a case study that investigated ... -
The Force-Velocity Profile for Jumping: What It Is and What It Is Not
Bobbert, Maarten F.; Lindberg, Kolbjørn Andreas; Bjørnsen, Thomas; Solberg, Paul Andre; Paulsen, Gøran (Peer reviewed; Journal article, 2023)Introduction: Force–velocity profiling has been proposed in the literature as a method to identify the overall mechanical characteristics of lower extremities. A force–velocity profile is obtained by plotting for jumps at ... -
Force-velocity profiling in athletes: Reliability and agreement across methods
Lindberg, Kolbjørn Andreas; Solberg, Paul Andre; Bjørnsen, Thomas; Helland, Christian; Rønnestad, Bent; Haugen, Thomas André; Østerås, Sindre; Kristoffersen, Morten; Paulsen, Gøran (Peer reviewed; Journal article, 2021)