• 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 ...
    • 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 (Peer reviewed; Journal article, 2020)
      The effects of 4 mg·kg−1caffeine ingestion on strength and power were investigated for the first time, in resistance‐trained females during the early follicular phase utilizing a randomized, double‐blind, placebo‐controlled, ...
    • 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 André (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 ...
    • Force-velocity profiling in athletes: Reliability and agreement across methods 

      Lindberg, Kolbjørn Andreas; Bjørnsen, Thomas; Helland, Christian; Rønnestad, Bent; Haugen, Thomas André; Østerås, Sindre; Kristoffersen, Morten; Paulsen, Gøran; Solberg, Paul André; Frank, Martin Thorsen; Midttun, Magnus; Sæland, Fredrik (Peer reviewed; Journal article, 2021)
      The aim of the study was to examine the test-retest reliability and agreement across methods for assessing individual force-velocity (FV) profiles of the lower limbs in athletes. Using a multicenter approach, 27 male ...
    • 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)
      The aim of this study was to compare the effects of autoregulating strength training volume based on an objective (external load match performance) versus a subjective (self-selected) method in professional male football ...
    • MicroRNAs in muscle: characterizing the powerlifter phenotype 

      D'Souza, Randall F.; Bjørnsen, Thomas; Zeng, Nina; Aasen, Kirsten M. M.; Raastad, Truls; Cameron-Smith, David; Mitchell, Cameron J. (Journal article; Peer reviewed, 2017-06-07)
      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. ...
    • Should we individualize training based on force-velocity profiling to improve physical performance in athletes? 

      Lindberg, Kolbjørn Andreas; Solberg, Paul André; Larsen, Tommy Mella; Abusdal, Gøran; Berntsen, Sveinung; Paulsen, Gøran; Sveen, Ole; Seynnes, Olivier R.; Bjørnsen, Thomas; Rønnestad, Bent R.; Frank, Martin Thorsen (Peer reviewed; Journal article, 2021)
      The present study aimed to examine the effectiveness of an individualized training program based on force-velocity (FV) profiling on jumping, sprinting, strength, and power in athletes. Forty national level team sport ...
    • Simulated game-based ice hockey match design (scrimmage) elicits greater intensity in external load parameters compared with official matches 

      Byrkjedal, Per Thomas; Bjørnsen, Thomas; Ivarsson, Andreas; Spencer, Matthew; Luteberget, Live Steinnes (Peer reviewed; Journal article, 2022)
      Objective: A limited number of studies have explored the external load experienced in indoor sports such as ice hockey, and few the link between training and match performance. As a paucity exists within this topic, this ...
    • Strength and Power Testing of Athletes: A Multicenter Study of Test-Retest Reliability 

      Lindberg, Kolbjørn Andreas; Solberg, Paul André; Bjørnsen, Thomas; Helland, Christian; Rønnestad, Bent; Frank, Martin; Haugen, Tommy; Østerås, Sindre; Kristoffersen, Morten; Midttun, Magnus; Sæland, Fredrik; Eythorsdottir, Ingrid Eir Thorp; Paulsen, Gøran (Peer reviewed; Journal article, 2022)
      Purpose:This study examined the test–retest reliability of common assessments for measuring strength and power of the lowerbody in high-performing athletes.Methods:A total of 100 participants, including both male (n=83) ...
    • Type 1 Muscle Fiber Hypertrophy after Blood Flow–restricted Training in Powerlifter 

      Bjørnsen, Thomas; Wernbom, Mathias; Kirketeig, Alexander; Paulsen, Gøran; Samnøy, Lars Edvin; Bækken, Lasse Vestli; Cameron-Smith, David; Berntsen, Sveinung; Raastad, Truls (Journal article; Peer reviewed, 2018)
      PURPOSE: To investigate the effects of blood flow restricted resistance exercise (BFRRE) on myofiber areas (MFA), number of myonuclei and satellite cells (SC), muscle size and strength in powerlifters. METHODS Seventeen ...
    • Validity of Force-Velocity Profiling Assessed With a Pneumatic Leg Press Device 

      Lindberg, Kolbjørn Andreas; Eythorsdottir, Ingrid Eir Thorp; Solberg, Paul André; Gløersen, Øyvind Nøstdahl; Seynnes, Olivier R.; Bjørnsen, Thomas; Paulsen, Gøran (Peer reviewed; Journal article, 2021)
      Purpose: The aim of this study was to examine the concurrent validity of force–velocity (FV) variables assessed across 5 Keiser leg press devices. Methods: A linear encoder and 2 independent force plates (MuscleLab devices) ...