Morten Kristoffersen

Publications

• Training volume and total energy expenditure of an Olympic and Ironman world champion: approaching the upper limits of human capabilities

  Marcus Småvik Dasa, Olav Aleksander Bu, Øyvind Bucher Sandbakk, Bent Rønnestad, Guy Plasqui, Hilde Gundersen (2024)
  Journal of applied physiology 2024 ;Volum 137. s. 1535-1540

• The higher the fraction of maximal oxygen uptake is during interval training, the greater is the cycling performance gain

  Ingvill Odden, Lars Nymoen, Tomas Urianstad, Morten Kristoffersen, Jens Konrad Daniel Hammarström, Joar Hansen (2024)
  European Journal of Sport Science (EJSS) 2024 ;Volum 24. s. 1583-1596

• Risk and prevalence of Relative Energy Deficiency in Sport (REDs) among professional female football players

  Marcus Småvik Dasa, Oddgeir Friborg, Morten Kristoffersen, Gunn Pettersen, Jørn Vegard Sagen, Monica Klungland Torstveit (2024)
  European Journal of Sport Science (EJSS) 2024 ;Volum 24. s. 1032-1041

• Acute response in circulating microRNAs following a single bout of short-sprint and heavy strength training in well-trained cyclists

  Anita Ryningen, Kari Rostad, Elisabeth Ersvær, Gry Sjøholt, Gøran Paulsen, Hilde Gundersen (2024)
  Frontiers in Physiology 2024 ;Volum 15.

• PREVALENCE OF MARKERS ASSOCIATED WITH RED-S IN ELITE-LEVEL FEMALE FOOTBALL PLAYERS

  Marcus Småvik Dasa, Jan Harald Rosenvinge, Oddgeir Friborg, Gunn Pettersen, Monica Klungland Torstveit, Morten Kristoffersen (2023)

• Evaluating the Suitability of the Low Energy Availability in Females Questionnaire (LEAF-Q) for Female Football Players

  Marcus Småvik Dasa, Oddgeir Friborg, Morten Kristoffersen, Gunn Pettersen, Jørn Vegard Sagen, Jorunn Sundgot-Borgen (2023)
  Sports Medicine - Open 2023 ;Volum 9.

• The effects of being told you are in the intervention group on training results: a pilot study

  Kolbjørn Andreas Lindberg, Thomas Bjørnsen, Fredrik Tonstad Vårvik, Gøran Paulsen, Malene Joensen, Morten Kristoffersen (2023)
  Scientific Reports 2023 ;Volum 13. s. 1-10

• Energy expenditure, dietary intake and energy availability in female professional football players

  Marcus Småvik Dasa, Oddgeir Friborg, Morten Kristoffersen, Gunn Pettersen, Guy Plasqui, Jorunn Sundgot-Borgen (2023)
  BMJ Open sport & exercise medicine 2023 ;Volum 9.

• When You Believe You Are In The Intervention Group, You Will Get Better Training Results. A Randomized Controlled Placebo Study

  Kolbjørn Andreas Lindberg, Thomas Bjørnsen, Fredrik Tonstad Vårvik, Gøran Paulsen, malene joensen, Morten Kristoffersen (2022)

• Strength and Power Testing of Athletes: Associations of Common Assessments Over Time

  Kolbjørn Andreas Lindberg, Paul Andre Solberg, Thomas Bjørnsen, Christian Helland, Bent Rønnestad, Martin Thorsen Frank (2022)
  International Journal of Sports Physiology and Performance (IJSPP) 2022 ;Volum 17. s. 1280-1288

• Performance in youth track and field is associated with birth quartile. A register-based study among athletes in Norway from 10 years to senior level

  Hilde Gundersen, Anette Kristoffersen Harris, Halvard Grendstad, Morten Kristoffersen, Atle Guttormsen, Terje Dalen (2022)
  PLOS ONE 2022 ;Volum 17.

• Associations between biological maturity level, match locomotion, and physical capacities in youth male soccer players

  Hilde Gundersen, Amund Riiser, Erling Andre Algrøy, Mona Vestbøstad, Atle Hole Sæterbakken, Hege Synnøve Havstad Clemm (2022)
  Scandinavian Journal of Medicine & Science in Sports 2022 ;Volum 32. s. 1592-1601

• Strength and Power Testing of Athletes: A Multicenter Study of Test-Retest Reliability

  Kolbjørn Andreas Lindberg, Paul Andre Solberg, Thomas Bjørnsen, Christian Helland, Bent Rønnestad, Martin Frank (2022)
  International Journal of Sports Physiology and Performance (IJSPP) 2022 ;Volum 17. s. 1103-1110

• Accuracy of Tracking Devices’ Ability to Assess Exercise Energy Expenditure in Professional Female Soccer Players: Implications for Quantifying Energy Availability

  Marcus Småvik Tutu Dasa, Oddgeir Friborg, Morten Kristoffersen, Gunn Pettersen, Jorunn Sundgot-Borgen, Jan H Rosenvinge (2022)
  International Journal of Environmental Research and Public Health (IJERPH) 2022 ;Volum 19.

• Study protocol: Prevalence of low energy availability and its relation to health and performance among female football players.

  Jan H Rosenvinge, Marcus Småvik Dasa, Morten Kristoffersen, Gunn Pettersen, Jorunn Sundgot-Borgen, Jørn Vegard Sagen (2022)
  BMJ Open sport & exercise medicine 2022 s. 1-5

• The inclusion of sprints in low-intensity sessions during the transition period of elite cyclists improves endurance performance 6 weeks into the subsequent preparatory period

  Madison Taylor, Nicki Winfield Almquist, Bent Rønnestad, Arnt Erik Tjønna, Morten Kristoffersen, Matthew Spencer (2021)
  International Journal of Sports Physiology and Performance (IJSPP) 2021 ;Volum 16. s. 1502-1509

• The Female Menstrual Cycles Effect on Strength and Power Parameters in High-Level Female Team Athletes

  Marcus Småvik Dasa, Morten Kristoffersen, Elisabeth Ersvær, Lars Peder Vatshelle Bovim, Lise Bjørkhaug, Rolf Moe-Nilssen (2021)
  Frontiers in Physiology 2021 ;Volum 12.

• Force-velocity profiling in athletes: Reliability and agreement across methods

  Kolbjørn Andreas Lindberg, Paul Solberg, Thomas Bjørnsen, Christian Helland, Bent Rønnestad, Martin Thorsen Frank (2021)
  PLOS ONE 2021 ;Volum 16.

• FORCE-VELOCITY PROFILING IN ELITE ATHLETES: RELIABILITY AND AGREEMENT BETWEEN METHODS

  Kolbjørn Lindberg, Paul Andre Solberg, Thomas Bjørnsen, Christian Helland, Bent Rønnestad, Martin Frank (2020)

• Effects of Including Sprints in One Weekly Low-Intensity Training Session During the Transition Period of Elite Cyclists

  Nicki Winfield Almquist, Ine Løvlien, Per Thomas Byrkjedal, Matthew Spencer, Morten Kristoffersen, Knut Skovereng (2020)
  Frontiers in Physiology 2020 ;Volum 11.

• Difference in ventilation and cycling economy in two sitting position on a bike

  Haakon Kvidaland, Morten Kristoffersen, Hilde Gundersen, Ola Drange Røksund, Lars Peder Vatshelle Bovim (2019)

• Physical capacity, not skeletal maturity, distinguishes competitive levels in male Norwegian U14 players

  Halvard Nikolai Grendstad, Ann-Kristin Nilsen, Cecilie Brekke Rygh, Arild Hafstad, Morten Kristoffersen, Vegard Vereide Iversen (2019)
  Scandinavian Journal of Medicine & Science in Sports 2019 ;Volum 30. s. 254-263

• Comparison of Short-Sprint and Heavy Strength Training on Cycling Performance

  Morten Kristoffersen, Øyvind Sandbakk, Bent Rønnestad, Hilde Gundersen (2019)
  Frontiers in Physiology 2019 ;Volum 10.

• Handballstjerna håpar ny mensenforsking kan gi svar på kva som gjekk gale

  Silje Mæland, Morten Kristoffersen, Lars Peder Vatshelle Bovim, Elisabeth Ersvær, Anette Harris, Lise Bjørkhaug (2019)

• Immediate effects of blood donation on physical and cognitive performance-A randomized controlled double-blinded trial

  Håkon Skogrand Eliassen, Tor Hervig, Sebastian Backlund, Joar Sivertsen, Vegard Vereide Iversen, Morten Kristoffersen (2018)
  Journal of Trauma and Acute Care Surgery 2018 ;Volum 84.

• Idrett møter forskning

  Morten Kristoffersen (2018)

• Belastning og restitusjonstid etter sprint og styrketrening hos godt trente syklister

  Morten Kristoffersen (2018)

• Bicycle usage and cardiorespiratory fitness among inactive adults provided with electrically assisted bicycles

  Stian Ellingsen Lobben, Lena Malnes, Sveinung Berntsen, Leif Inge Tjelta, Elling Tufte Bere, Morten Kristoffersen (2018)
  Acta Kinesiologiae Universitatis Tartuensis 2018 ;Volum 24. s. 60-73

• Effect of seated short-sprint training on ergometer vs Heavy strength training on 55-meter sprint performance in well-trained cyclist

  Lars Peder Vatshelle Bovim, Hilde Gundersen, Arild Hafstad, Morten Kristoffersen (2018)

• The effects of Heavy strength training versus short sprint training on sprint performance, and 5 min all out cycling in well-trained cyclist

  Morten Kristoffersen, Bent R. Rønnestad, Øyvind Sandbakk, Arild Hafstad, Hilde Gundersen (2018)

• Comparison of peak power measured in a Keiser air powered leg press machine, and peak and average power obtained in a 30 seconds Wingate anaerobic test in well-trained cyclists

  Arild Hafstad, Vegard Vereide Iversen, Hilde Gundersen, Morten Kristoffersen (2018)

• Combined aerobic and resistance training improves physical capacity in women treated for gynecological cancer

  Frøydis Hausmann, Vegard Vereide Iversen, Morten Kristoffersen, Hilde Gundersen, Erlingur Johannsson, Margrethe Elin Vika (2018)
  Supportive Care in Cancer 2018 ;Volum 26. s. 3389-3396

• Power production and biochemical markers of metabolic stress and muscle damage following a single bout of short-sprint and heavy strength exercise in well-trained cyclists

  Morten Kristoffersen, Øyvind Sandbakk, Espen Tønnessen, Ida S. Svendsen, Gøran Paulsen, Elisabeth Ersvær (2018)
  Frontiers in Physiology 2018 ;Volum 9:155. s. 1-9

• Cardiorespiratory fitness is associated with selective attention and inhibitory control in healthy male high-school students

  Eivind Johannessen Wengaard, Morten Kristoffersen, Anette Harris, Hilde Gundersen (2017)
  Frontiers in Human Neuroscience 2017 ;Volum 11. s. 1-8

• The effects of sleep deprivation on soccer skills

  Ståle Pallesen, Hilde Gundersen, Morten Kristoffersen, Bjørn Bjorvatn, Eirunn Thun, Anette Harris (2017)
  Perceptual and Motor Skills 2017 ;Volum 124. s. 812-829

• Higher drop in speed during a repeated sprint test in soccer players reporting former hamstring strain injury

  Ola Drange Røksund, Morten Kristoffersen, Bård Erik Bogen, Alex R. Wisnes, Merete Salveson Engeseth, Ann-Kristin Nilsen (2017)
  Frontiers in Physiology 2017 ;Volum 8. s. 1-8

• Dette er testene Brann skal gjennom

  Morten Kristoffersen (2017)

• How access to an E-bike affects amount and patterns of bicycle use in inactive Norwegian adults: A pilot study.

  Lena Hansen Malnes, Stian Ellingsen Lobben, Elling Bere, Leif Inge Tjelta, Morten Kristoffersen, Thomas Mildestvedt (2016)

• LOW DOSE OF CAFFEINE INGESTION OF 3 MG/KG BODY WEIGHT DOES NOT ENHANCE RESISTANCE EXERCISE PERFORMANCE

  Elisabeth Ersvær, Gry Sjøholt, Vegard Vereide Iversen, Morten Kristoffersen (2016)

• Slik skal de bygge verdensmestere i Bergen

  Morten Kristoffersen (2015)

• Kartlegging av fysisk kapasitet hos mannlige fotballspillere

  Morten Kristoffersen (2015)

• Fra visjon til virkelighet

  Morten Kristoffersen (2015)

• Relationships between different physical factors in male soccer players

  Morten Kristoffersen, Ann-Kristin Nilsen, Vegard Iversen, Ola Drange Røksund, Silje Mæland, Merete Salveson Engeseth (2015)

• Dette apparatet skal løfte skøytesporten

  Morten Kristoffersen (2015)

• Kartlegging av fysisk kapasitet og treningsvaner hos mannlige fotballspillere i Bergen

  Morten Kristoffersen (2015)

• Forskning og utvikling i Vest - hva skjer og hva kan vi få til

  Morten Kristoffersen (2014)

• Bruk av digitale verktøy i utholdenhetstrening

  Morten Kristoffersen, Hilde Gundersen, Vegard Iversen (2014)

• Validation of a new soccer-movement specific sprint (SMS) test measuring both acceleration and change of multidirectional speed

  Morten Kristoffersen, Ann-Kristin Nilsen, Vegard Iversen, Hilde Gundersen (2014)

• Four weeks of CODS sprint training improve sprinting performance in male elite junior soccer players

  Hilde Gundersen, Ann-Kristin Nilsen, Vegard Iversen, Yngve Myhre, Morten Kristoffersen (2014)

• Low cadence interval training at moderate intensity does not improve cycling performance in highly trained veteran cyclists

  Morten Kristoffersen, Hilde Gundersen, Stig Leirdal, Vegard Iversen (2014)
  Frontiers in Physiology 2014 ;Volum 5 .

• The effect of endurance and strength training on chronic fatigue syndrome for women who have completed treatment for gynaecological cancer, a randomized controlled trial

  Frøydis Hausmann, Vegard Iversen, Morten Kristoffersen, Margrethe Elin Vika (2013)

• Effekt av utholdenhets- og styrketrening i forhold til kronisk fatigue syndrom for kvinner som er ferdig behandlet for gynekologisk kreft

  Frøydis Hausmann, Vegard Iversen, Morten Kristoffersen (2013)

• Effekt av utholdenhets- og styrketrening i rehabilitering av kvinner som er ferdig behandlet for gynekologisk kreft

  Frøydis Hausmann, Vegard Iversen, Morten Kristoffersen (2013)

• Effect of two different strength training methods on cycling performance in highly trained veteran cyclist

  Morten Kristoffersen, Arne Ryngøye, Steffen Andresen, Ivar Gundersen, Tallak Stogstad, Sigve Rørstad (2013)

• Effects of movement spesific strength training on flat water kayakers

  Vegard Iversen, Morten Kristoffersen, Hilde Gundersen, Alex R Wisnes (2013)

• Is the Dansprint flat water kayak paddling ergometer a reliable test toolfor testing of 200 meter and 1000 meter races?

  Vegard Iversen, Morten Kristoffersen, Hilde Stokvold Gundersen (2013)

• Hurtighet i fotball

  Hilde Gundersen, Morten Kristoffersen, Yngve Myhre (2013)

• The reliability of two-hundred and thousand meter all out tests on Dansprint paddling ergometer

  Morten Kristoffersen, Alex Wisnes, Hilde Gundersen, Vegard Iversen (2013)

• Ser om styrketrening har effekt på kondisen

  Morten Kristoffersen (2012)

• What! Watt

  Morten Kristoffersen (2012)

• Effects of movement specific strength training on the 200m and 1500m performance of flat water kaykers

  Vegard Iversen, Morten Kristoffersen (2011)

• Effeen av styrketråkk

  Morten Kristoffersen, Vegard Iversen (2011)

• Effects of low cadnce interval training in cycling

  Morten Kristoffersen, Stig Leirdal, Vegard Iversen (2011)

• Effects of low cadence interval training on freely chosen cadence and gross efficiency in cycling

  Vegard Iversen, Morten Kristoffersen, Stig Leirdal (2011)

• Effects of low cadnce interval training in cycling

  Morten Kristoffersen, Stig Leirdal, Vegard Moe Iversen (2011)

• Brann testet formen

  Morten Kristoffersen, Vegard Iversen (2011)

• På nivå med RBK

  Morten Kristoffersen, Vegard Vereide Iversen (2010)

• Effects of maximal strength training on roller ski double poling performance in two highly trained elderly, male cross-country skiers

  Boye Welde, Rolf P. Ingvaldsen, Morten Kristoffersen (2009)

• Effekten av bevegelseslik maksimal styrketrening på utholdenhetsprestasjonen i staking på rulleski

  Morten Kristoffersen (2008)
  Nytt fra trenerklubben 2008 s. 21-30

• Kropp, bevegelse og helse. Etter Rammeplanen for barnehager, 2006

  Torbjørn Lundhaug, Morten Kristoffersen (2007)