Blar i Brage NIH på forfatter "Berntsen, Sveinung"
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The Phys-Can observational study: adjuvant chemotherapy is associated with a reduction whereas physical activity level before start of treatment is associated with maintenance of maximal oxygen uptake in patients with cancer
Wiestad, Tor Helge; Raastad, Truls; Nordin, Karin; Igelström, Helena; Henriksson, Anna; Demmelmaier, Ingrid; Berntsen, Sveinung (Peer reviewed; Journal article, 2020)Background: Adjuvant therapy may cause multiple sideeffects on long term health, including reduced cardiorespiratory fitness (CRF) in patients with breast cancer (1, 2). However, there is currently limited knowledge regarding ... -
Physical activity and aerobic fitness in childhood : associated with asthma?
Berntsen, Sveinung (Doctoral thesis, 2009)The prevalence of childhood asthma in the Western world has increased the last decades, whereas knowledge of asthma prevalence in districts where “Westernized lifestyle” is not adopted is inadequate. Even though there ... -
Pre-treatment levels of inflammatory markers and chemotherapy completion rates in patients with early-stage breast cancer
Schauer, Tim; Henriksson, Anna; Strandberg, Emelie; Lindman, Henrik; Berntsen, Sveinung; Demmelmaier, Ingrid; Raastad, Truls; Nordin, Karin; Christensen, Jesper F. (Peer reviewed; Journal article, 2022)Background Chemotherapy efcacy is largely dependent on treatment adherence, defned by the relative dose intensity (RDI). Identifcation of new modifable risk factors associated with low RDI might improve chemotherapy delivery. ... -
Predicting who fails to meet the physical activity guideline in pregnancy: a prospective study of objectively recorded physical activity in a population-based multi-ethnic cohort
Richardsen, Kåre Rønn; Falk, Ragnhild Sørum; Jenum, Anne Karen; Mørkrid, Kjersti; Martinsen, Egil Wilhelm; Ommundsen, Yngvar; Berntsen, Sveinung (Journal article; Peer reviewed, 2016-07-26)Background: A low physical activity (PA) level in pregnancy is associated with several adverse health outcomes. Early identification of pregnant women at risk of physical inactivity could inform strategies to promote PA, ... -
Relationships between physical activity level and psychosocial and socioeconomic factors and issues in children and adolescents with asthma: a scoping review
Westergren, Thomas; Berntsen, Sveinung; Ludvigsen, Mette Spliid; Aagaard, Hanne; Hall, Elisabeth O.C.; Ommundsen, Yngvar; Uhrenfeldt, Lisbeth; Fegran, Liv (Peer reviewed; Journal article, 2017)Background: Asthma is a heterogeneous chronic airway disease which may reduce capability for physical activity. In healthy peers, physical activity is influenced by psychosocial and socioeconomic factors. Knowledge about ... -
Reliability and concurrent validity of the International Physical Activity Questionnaire short form among pregnant women
Sanda, Birgitte; Vistad, Ingvild; Haakstad, Lene Annette Hagen; Berntsen, Sveinung; Sagedal, Linda Reme; Lohne-Seiler, Hilde; Torstveit, Monica Klungland (Journal article; Peer reviewed, 2017-03)Background: The International Physical Activity Questionnaire short-form (IPAQ-SF) is frequently used to assess physical activity (PA) level in the general adult population including pregnant women. However, the reliability ... -
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 ... -
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 ... -
Which exercise prescriptions optimize V̇O2max during cancer treatment?: A systematic review and meta‐analysis
Bjørke, Ann Christin Helgesen; Sweegers, Maike G.; Buffart, Laurien M.; Raastad, Truls; Nygren, Peter; Berntsen, Sveinung (Peer reviewed; Journal article, 2019)The aims of the present systematic review and meta‐analysis were to investigate the effect of exercise on maximal oxygen uptake (VO2max) and to investigate whether exercise frequency, intensity, duration, and volume are ...