Browsing Brage NIH by Author "Berntsen, Sveinung"
Now showing items 1-20 of 30
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A nested case-control study: personal, social and environmental correlates of vigorous physical activity in adolescents with asthma
Ommundsen, Yngvar; Carlsen, Karin C. Lødrup; Westergren, Thomas; Carlsen, Kai-Håkon; Mowinckel, Petter; Fegran, Liv; Berntsen, Sveinung (Journal article; Peer reviewed, 2014-08-29)Objective: Physical activity (PA) is associated with health benefits. Children and adolescents with asthma may be limited in their PA, particularly at vigorous intensity due to asthma symptoms or poor psychological adjustment ... -
Aerobic fitness mediates the intervention effects of a school-based physical activity intervention on academic performance: The School in Motion study: A cluster randomized controlled trial
Solberg, Runar Barstad; Steene-Johannessen, Jostein; Anderssen, Sigmund Alfred; Berntsen, Sveinung; Resaland, Geir Kåre; Ekelund, Ulf; Kolle, Elin; Fagerland, Morten Wang; van Sluijs, Esther M. F. (Peer reviewed; Journal article, 2021)Little information exists on the mechanism of how physical activity interventions effects academic performance. We examined whether the effects of a school-based physical activity intervention on academic performance were ... -
Anthropometric measures of 9-to 10-year-old native Tibetan children living at 3700 and 4300m above sea level and Han Chinese living at 3700m.
Bianba, Bianba; Yangzong, Yangzong; Gonggalanzi, Gonggalanzi; Berntsen, Sveinung; Andersen, Lars Bo; Stigum, Hein; Nafstad, Per; Bjertness, Espen (Journal article; Peer reviewed, 2015-10)A high residential altitude impacts on the growth of children, and it has been suggested that linear growth (height) is more affected than body mass. The aim of the present study was to estimate the prevalence of obesity, ... -
Can supplementation with vitamin C and E alter physiological adaptations to strength training?
Paulsen, Gøran; Cumming, Kristoffer Toldnes; Hamarsland, Håvard; Børsheim, Elisabeth; Berntsen, Sveinung; Raastad, Truls (Journal article; Peer reviewed, 2014-07-05)Background: Antioxidant supplementation has recently been demonstrated to be a double-edged sword, because small to moderate doses of exogenous antioxidants are essential or beneficial, while high doses may have adverse ... -
Changes in health-related quality of life in elderly men after 12 weeks of strength training
Haraldstad, Kristin; Rohde, Gudrun; Stea, Tonje Holte; Lohne-Seiler, Hilde; Hetlelid, Ken; Paulsen, Gøran; Berntsen, Sveinung (Journal article; Peer reviewed, 2017-05-30)Background: Muscular strength is associated with functional ability in elderly, and older adults are recommended to perform muscle-strengthening exercise. Understanding how improved muscle strength and -mass influence ... -
Comparison of three activity monitors for estimating sedentary time among children
Stålesen, Jarle; Vik, Frøydis Nordgård; Hansen, Bjørge Herman; Berntsen, Sveinung (Journal article; Peer reviewed, 2016-02-05)Background: Time spent sedentary appears to be associated with several health outcomes in adults, but findings are inconsistent in children. Further, the assessment of sedentary time represents a major challenge. The ... -
Criteria for the determination of maximal oxygen uptake in patients newly diagnosed with cancer: Baseline data from the randomized controlled trial of physical training and cancer (Phys-Can)
Bjørke, Ann Christin Helgesen; Raastad, Truls; Berntsen, Sveinung (Peer reviewed; Journal article, 2020)Introduction: Maximal oxygen uptake () is a measure of cardiorespiratory fitness often used to monitor changes in fitness during and after treatment in cancer patients. There is, however, limited knowledge in how criteria ... -
Do Obese Children Achieve Maximal Heart Rate during Treadmill Running?
Berntsen, Sveinung; Edvardsen, Elisabeth; Gerbi, Shlomi; Pollestad, Magnhild Louise; Anderssen, Sigmund Alfred (Peer reviewed; Journal article, 2019)Objective: Maximal heart rate (HR) is commonly defined as the highest HR obtained during a progressive exercise test to exhaustion. Maximal HR is considered one of the criteria to assess maximum exertion in exercise tests, ... -
Does exercise intensity matter for fatigue during (neo-)adjuvant cancer treatment?: The phys-can randomized clinical trial
Demmelmaier, Ingrid; Brooke, Hannah L.; Henriksson, Anna; Mazzoni, Anne-Sophie; Bjørke, Ann Christin Helgesen; Igelström, Helena; Ax, Anna-Karin; Sjövall, Katarina; Hellbom, Maria; Pingel, Ronnie; Lindman, Henrik; Johansson, Silvia; Velikova, Galina; Raastad, Truls; Buffart, Laurien M.; Åsenlöf, Pernilla; Aaronson, Neil K.; Glimelius, Bengt; Nygren, Peter; Johansson, Birgitta; Börjeson, Sussanne; Berntsen, Sveinung; Nordin, Karin (Peer reviewed; Journal article, 2021)Exercise during cancer treatment improves cancer-related fatigue (CRF), but the importance of exercise intensity for CRF is unclear. We compared the effects of high- vs low-to-moderate-intensity exercise with or without ... -
Does inflammation markers or treatment type moderate exercise intensity effects on changes in muscle strength in cancer survivors participating in a 6-month combined resistance- and endurance exercise program?: Results from the Phys-Can trial
Henriksson, Anna; Strandberg, Emelie; Stenling, Andreas; Mazzoni, Anne-Sophie; Sjövall, Katarina; Börjeson, Sussanne; Raastad, Truls; Demmelmaier, Ingrid; Berntsen, Sveinung; Nordin, Karin (Peer reviewed; Journal article, 2023)Background: Resistance exercise has a beneficial impact on physical function for patients receiving oncological treatment. However, there is an inter-individual variation in the response to exercise and the tolerability ... -
The effect of a school-based intervention on physical activity, cardiorespiratory fitness and muscle strength: The School in Motion cluster randomized trial
Kolle, Elin; Solberg, Runar Barstad; Säfvenbom, Reidar; Dyrstad, Sindre Mikal; Berntsen, Sveinung; Resaland, Geir Kåre; Ekelund, Ulf; Anderssen, Sigmund Alfred; Steene-Johannessen, Jostein; Grydeland, May (Peer reviewed; Journal article, 2020)Background: Physical activity (PA) declines throughout adolescence, therefore PA promotion during this period is important. We analyzed the effect of two school-based PA interventions on daily PA levels, cardiorespiratory ... -
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. ... -
Establishing the convergent validity of the travel habit questions in the health behavior in school-aged children questionnaire by quantifying active travel in Norwegian adolescents
Malnes, Lena Hansen; Haugen, Tommy; Kolle, Elin; Berntsen, Sveinung; Hansen, Bjørge Herman (Peer reviewed; Journal article, 2022)Background: Active travel (cycling or walking to school) can be a substantial part of adolescents' daily physical activity. Research on transport activities primarily relies on self-reported indices of travel mode and ... -
Exercise capacity and selected physiological factors by ancestry and residential altitude: cross-sectional studies of 9-10-year-old children in Tibet
Bianba, Bianba; Berntsen, Sveinung; Andersen, Lars Bo; Stigum, Hein; Ouzhuluobu; Nafstad, Per; Wu, Tianyi; Bjertness, Espen (Journal article; Peer reviewed, 2014-05-16)Several physiological compensatory mechanisms have enabled Tibetans to live and work at high altitude, including increased ventilation and pulmonary diffusion capacity, both of which serve to increase oxygen transport in ... -
Exploring moderators of the effect of high vs. low-to-moderate intensity exercise on cardiorespiratory fitness during breast cancer treatment: Analyses of a subsample from the Phys-Can RCT
Bjørke, Ann Christin Helgesen; Buffart, Laurien M.; Raastad, Truls; Demmelmaier, Ingrid; Stenling, Andreas; Nordin, Karin; Berntsen, Sveinung (Peer reviewed; Journal article, 2022)Introduction: The results from the physical training and cancer randomized controlled trial (Phys-Can RCT) indicate that high intensity (HI) strength and endurance training during (neo-)adjuvant cancer treatment is more ... -
Factors associated with aerobic fitness in adolescents with asthma
Berntsen, Sveinung; Carlsen, Karin C. Lødrup; Anderssen, Sigmund A.; Mowinckel, Petter; Carlsen, Kai-Håkon (Journal article; Peer reviewed, 2013)Background: In adolescents with asthma, information on factors associated with cardiorespiratory fitness levels is limited. The present study aimed to determine if objectively measured physical activity as well as potential ... -
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, ... -
Motivation for physical activity in adolescents with asthma
Brynjulfsen, Trine; Demmelmaier, Ingrid; Berntsen, Sveinung; Foyn, Tonje Hellum; Andersen, Oddbjørn Klomsten; Stang, Julie; Sigdestad, Joakim Brodvik; Stensrud, Trine; Tufte, Kristine R.; Nielsen, Anette; Westergren, Thomas (Peer reviewed; Journal article, 2020)Objective: We explored motivation for physical activity (PA) and exercise in adolescents with asthma who entered and continued a 10-week play-based exercise intervention. Methods: Eighteen adolescents with asthma, aged ... -
Obese children playing towards an active lifestyle
Berntsen, Sveinung; Mowinckel, Petter; Carlsen, Kai-Håkon; Carlsen, Karin C. Lødrup; Kolsgaard, Magnhild L. Pollestad; Joner, Geir; Anderssen, Sigmund A. (Journal article; Peer reviewed, 2010-01)Aim. To determine whether five months of guided active play in overweight or obese children and adolescents under multi-disciplinary management for weight reduction leads to increased physical activity levels in leisure ... -
Objectively recorded physical activity in pregnancy and postpartum in a multi-ethnic cohort: association with access to recreational areas in the neighbourhood
Richardsen, Kåre Rønn; Mdala, Ibrahimu; Berntsen, Sveinung; Ommundsen, Yngvar; Martinsen, Egil Wilhelm; Sletner, Line; Jenum, Anne Karen (Journal article; Peer reviewed, 2016-07-07)Background: Physical activity may reduce the risk of adverse pregnancy outcomes; however, compared to non-pregnant women, a lower proportion of pregnant women meet the physical activity guidelines. Our objectives were to ...