Blar i AURA på forfatter "Bjørnsen, Thomas"
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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 ... -
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 ... -
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 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) -
Frequent blood flow restricted training not to failure and to failure induces similar gains in myonuclei and muscle mass
Bjørnsen, Thomas; Wernbom, Mathias; Paulsen, Gøran; Berntsen, Sveinung; Brankovic, Robert; Stålesen, Håkon; Sundnes, Joakim; Raastad, Truls (Peer reviewed; Journal article, 2021)The purpose of the present study was to compare the effects of short-term high-frequency failure vs non-failure blood flow–restricted resistance exercise (BFRRE) on changes in satellite cells (SCs), myonuclei, muscle size, ... -
In-season autoregulation of one weekly strength training session maintains physical and external load match performance in professional male football players
Byrkjedal, Per Thomas; Thunshelle, Atle; Spencer, Matthew; Luteberget, Live Steinnes; Ivarsson, Andreas; Vårvik, Fredrik Tonstad; Lindberg, Kolbjørn Andreas; Bjørnsen, Thomas (Peer reviewed; Journal article, 2023) -
Individualisering av styrketrening basert på kraft-hastighetsprofilen til toppidrettsutøvere, en randomisert kontrollert studie
Madsen, Mathias (Master thesis, 2022)Flere studier har i nyere tid undersøkt effekten av å trene ut ifra svakheter i kraft-hastighetsprofilen fra hopp- prestasjoner med motstridende funn (Jiménez- Reyes et al., 2017; Lindberg et al., 2021b). Det er derfor ... -
Individualized Power Training Based on the Theoretical Force-Velocity Profile: Efficient or too many pitfalls?
Vatsaas, Anders (Master thesis, 2022)Hensikt: Målet med denne studien var å utforske om et individualisert power-treningsprogram som er basert på den teoretiske individuelle kraft-hastighetsprofilen (KH) er mer effektiv enn et balansert power-treningsprogram ... -
MicroRNAs in muscle: Characterizing the powerlifter phenotype
D'Souza, Randall F; Bjørnsen, Thomas; Zeng, Nina; Aasen, Kirsten MM; Raastad, Truls; Cameron-Smith, David; Mitchell, Cameron J (Journal article; Peer reviewed, 2017)Powerlifters are the epitome of muscular adaptation and are able to generate extreme forces. The molecular mechanisms underpinning the significant capacity for force generation and hypertrophy are not fully elucidated. ...