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    • Performance effects of video- and sensor-based feedback for implementing a terrain-specific micropacing strategy in cross-country skiing 

      Seeberg, Trine Margrethe; Kocbach, Jan; Talsnes, Rune Kjøsen; Meyer, Frederic; Losnegard, Thomas Johansen; Tjønnås, Johannes; Sandbakk, Øyvind; Solli, Guro Strøm (Peer reviewed; Journal article, 2022)
      Purpose: To investigate the performance effects of video- and sensor-based feedback for implementing a terrain-specific micropacing strategy in cross-country (XC) skiing. Methods: Following a simulated 10-km skating ...

    • Performance in dynamic movement tasks and occurrence of low back pain in youth floorball and basketball players 

      Rossi, Marleena; Pasanen, Kati; Heinonen, Ari; Äyrämö, Sami; Räisänen, Anu; Leppänen, Mari; Myklebust, Grethe; Vasankari, Tommi; Kannus, Pekka; Parkkari, Jari (Peer reviewed; Journal article, 2020)
      Background: Prospective studies investigating risk factors for low back pain (LBP) in youth athletes are limited. The aim of this prospective study was to investigate the association between hip-pelvic kinematics and ...

    • 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 

      Gundersen, Hilde; Harris, Anette Kristoffersen; Grendstad, Halvard; Kristoffersen, Morten; Guttormsen, Atle; Dalen, Terje; Rygh, Cecilie Brekke (Peer reviewed; Journal article, 2022)
      Introduction: Earlier studies have demonstrated that the oldest in a competition class are more likely to succeed than the youngest, a phenomenon called relative age effect (RAE). Track and field give us an opportunity to ...

    • Performance-Determining Variables of a Simulated Sprint Cross-Country Skiing Competition 

      Talsnes, Rune Kjøsen; Brattebø, Jan-Magnus; Berdal, Tore; Seeberg, Trine Margrethe; Skovereng, Knut; Losnegard, Thomas Johansen; Kocbach, Jan Martin; Sandbakk, Øyvind Bucher (Peer reviewed; Journal article, 2023)
      Purpose: To investigate performance-determining variables of an on-snow sprint cross-country skiing competition and the evolvement in their relationship with performance as the competition progresses from the individual ...

    • Performance-Enhancing Drugs, Sport, and the Ideal of Natural Athletic Performance 

      Loland, Sigmund (Journal article; Peer reviewed, 2018)
      The use of certain performance-enhancing drugs (PED) is banned in sport. I discuss critically standard justifications of the ban based on arguments from two widely used criteria: fairness and harms to health. I argue that ...

    • Performing Gender in Recreational Pole Dancing: Enabling and Constraining Factors 

      Jensen, Andorra L.; Thing, Lone Friis (Peer reviewed; Journal article, 2022)
      Many people consider pole dancing to be a feminine leisure activity and a female dominated space, but it has recently gained observer status in the Global Association of International Sports Federation (GAISF), thus entering ...

    • Performing Nordic hamstring strength testing with additional weight affects the maximal eccentric force measured: Do not compare apples to oranges 

      Amundsen, Roar; Møller, Merete; Bahr, Roald (Peer reviewed; Journal article, 2023)
      Background: Nordic hamstring test devices are commonly used to measure maximal eccentric hamstring force. The ability to control the final phase of the exercise has been adopted as a criterion to add weight when testing, ...

    • Perioperative pelvic floor muscle training did not improve outcomes in women undergoing pelvic organ prolapse surgery: a randomised trial 

      Duarte, Thaiana Bezerra; Bø, Kari; Brito, Luiz Gustavo O.; Bueno, Sabrina M.; Barcelos, Thays M.R.; Bonacin, Marília A.P.; Ferreira, Cristine Homsi Jorge (Peer reviewed; Journal article, 2019)
      Question: In women undergoing surgery for pelvic organ prolapse (POP), what is the average effect of the addition of perioperative pelvic floor muscle training on pelvic organ prolapse symptoms, pelvic floor muscle strength, ...

    • Peripheral adaptations to endurance training - Effect of active muscle mass 

      Mølmen, Knut Sindre; Hallén, Jostein; Rud, Bjarne (Peer reviewed; Journal article, 2019)
      The purpose of this study was to evaluate whether adaptations to endurance training are affected by active muscle mass during training. Eleven healthy subjects performed 5 weeks of one‐legged knee extension (1‐KE) training ...

    • Personality and willingness towards performance enhancement and body modification: A cross-sectional survey of a nationally representative sample of Norwegians 

      Breivik, Gunnar; Sagoe, Dominic; Loland, Sigmund (Peer reviewed; Journal article, 2022)
      We conducted an exploratory investigation of the relationship between personality and willingness towards performance enhancement and body modification in Norway. The study is based on Norwegian Monitor data from a ...

    • PGC-1α alternative promoter (Exon 1b) controls augmentation of total PGC-1α gene expression in response to cold water immersion and low glycogen availability 

      Allan, Robert; Morton, James P.; Close, Graeme L.; Drust, Barry; Gregson, Warren; Sharples, Adam (Peer reviewed; Journal article, 2020)
      This investigation sought to determine whether post-exercise cold water immersion and low glycogen availability, separately and in combination, would preferentially activate either the Exon 1a or Exon 1b Peroxisome ...

    • 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 among adolescent cancer survivors: The PACCS study 

      Grydeland, May; Bratteteig, Mari; Rüegg, Corina Silvia; Lie, Hanne Cathrine; Thorsen, Lene; Larsen, Elna Hamilton; Brügmann-Pieper, Sabine Kristin; Torsvik, Ingrid Kristin; Götte, Miriam; Lähteenmäki, Päivi Maria; Kriemler, Susi; Fridh, Martin Kaj; Anderssen, Sigmund Alfred; Ruud, Ellen (Peer reviewed; Journal article, 2023)
      Objectives: Physical activity (PA) may modify risks of late effects after cancer. We aimed to examine levels of PA and sedentary time (ST) in a large, international sample of adolescent childhood cancer survivors in relation ...

    • Physical activity and fat-free mass during growth and in later life 

      Westerterp, Klaas R.; Yamada, Yosuke; Sagayama, Hiroyuki; Ainslie, Philip N.; Andersen, Lene F.; Anderson, Liam J.; Arab, Lenore; Baddou, Issaad; Bedu-Addo, Kweku; Blaak, Ellen E.; Blanc, Stéphane; Bovet, Pascal; Buchowski, Maciej S.; Butte, Nancy F.; Close, Graeme L.; Cooper, Jamie A.; Das, Sai Krupa; Cooper, Richard; Dugas, Lara R.; Ekelund, Ulf; Entringer, Sonja; Forrester, Terrence; Fudge, Barry W.; Gurven, Michael; Hambly, Catherine; El Hamdouchi, Asmaa; Hoos, Marije B.; Hu, Sumei; Joonas, Noorjehan; Joosen, Annemiek M.; Katzmarzyk, Peter; Kempen, Kitty P.; Kimura, Misaka; Kraus, William E.; Kushner, Robert F.; Lambert, Estelle V.; Leonard, William R.; Lessan, Nader; Martin, Corby K.; Medin, Anine Christine; Meijer, Erwin P.; Morehen, James C.; Morton, James P.; Neuhouser, Marian L.; Nicklas, Theresa A.; Ojiambo, Robert M.; Pietiläinen, Kirsi H.; Pitsiladis, Yannis P.; Plange-Rhule, Jacob; Plasqui, Guy; Prentice, Ross L.; Rabinovich, Roberto A.; Racette, Susan B.; Raichlen, David A.; Ravussin, Eric; Reynolds, Rebecca M.; Roberts, Susan B.; Schuit, Albertine J.; Stice, Eric; Urlacher, Samuel S.; Valenti, Giulio; Wilson, George; Wood, Brian M.; Yanovski, Jack; Yoshida, Tsukasa; Zhang, Xueying; Murphy-Alford, Alexia J.; Loechl, Cornelia U.; Luke, Amy; Pontzer, Herman; Rood, Jennifer C.; Schoeller, Dale A.; Wong, William W.; Speakman, John R.; Bonomi, Alberto G.; Bouten, Carlijn V. C.; Camps, Stefan G. J. A.; Goris, Annelies H.; Sjödin, Anders M.; van Etten, Ludo M.; van Mil, Edgar A.; Wells, Jonathan C. K. (Peer reviewed; Journal article, 2021)
      Background: Physical activity may be a way to increase and maintain fat-free mass (FFM) in later life, similar to the prevention of fractures by increasing peak bone mass. Objectives: A study is presented of the association ...

    • Physical activity and mortality across levels of adiposity: A prospective cohort study from the UK biobank 

      Sanchez-Lastra, Miguel A.; Ding, Ding; Dalene, Knut Eirik; Ekelund, Ulf; Tarp, Jakob (Peer reviewed; Journal article, 2020)
      Objective: To examine the combined and stratified associations of physical activity and adiposity measures, modelled as body mass index (BMI), abdominal adiposity (waist circumference), and body fat percentage (BF) with ...

    • Physical activity and sedentary time are positively associated with academic performance: A 3-year longitudinal study 

      Lima, Rodrigo Antunes; Pfeiffer, Karin Allor; Møller, Niels Christian; Andersen, Lars Bo; Bugge, Anna (Peer reviewed; Journal article, 2019)
      Background: To analyze the longitudinal association between academic performance and moderate to vigorous physical activity (MVPA), vigorous physical activity (VPA), and sedentary (SED) in a 3-year longitudinal study. A ...

    • Physical activity and the risk of SARS-CoV-2 infection, severe COVID-19 illness and COVID-19 related mortality in South Korea: A nationwide cohort study 

      Lee, Seung Won; Lee, Jinhee; Moon, Sung Yong; Jin, Hyun Young; Yang, Jee Myung; Ogino, Shuji; Song, Mingyang; Hong, Sung Hwi; Ghayda, Ramy Abou; Kronbichler, Andreas; Koyanagi, Ai; Jacob, Louis; Dragioti, Elena; Smith, Lee; Giovannucci, Edward; Lee, Dong Hoon; Lee, Keum Hwa; Shin, Youn Ho; Kim, So Young; Kim, Min Seo; Won, Hong-Hee; Ekelund, Ulf; Shin, Jae Il; Yon, Dong Keon; Lee, I.-Min (Peer reviewed; Journal article, 2021)
      Purpose To determine the potential associations between physical activity and risk of SARS-CoV-2 infection, severe illness from COVID-19 and COVID-19 related death using a nationwide cohort from South Korea. Methods Data ...

    • Physical activity attenuates but does not eliminate coronary heart disease risk amongst adults with risk factors: EPIC-CVD case-cohort study 

      Fortuin-de Smidt, Melony C.; Sewe, Maquins Odhiambo; Lassale, Camille; Weiderpass, Elisabete; Andersson, Jonas; Huerta, José María; Ekelund, Ulf; Aleksandrova, Krasimira; Dahm, Christina C.; Tjønneland, Anne; Kyrø, Cecilie; Steindorf, Karen; Schulze, Matthias B.; Katzke, Verena; Sacerdote, Carlotta; Agnoli, Claudia; Masala, Giovanna; Tumino, Rosario; Wennberg, Patrik; Tong, Tammy Y. N. (Peer reviewed; Journal article, 2022)
      Aims: This study aimed to evaluate the association between physical activity and the incidence of coronary heart disease (CHD) in individuals with and without CHD risk factors. Methods and results: EPIC-CVD is a case-cohort ...

    • Physical activity attenuates metabolic risk of adolescents with overweight or obesity: The ICAD multi-country study 

      Werneck, André O.; Silva, Danilo R.; Oyeyemi, Adewale L.; Fernandes, Rômulo A.; Steene-Johannessen, Jostein; Andersen, Lars Bo; Northstone, Kate; Sardinha, Luís B. (Peer reviewed; Journal article, 2020)
      Background: Although the benefits of physical activity (PA) at an early age are well established, there is no robust evidence of the role of PA as well as its intensities in attenuating the association between weight status ...

    • Physical activity behaviours in adolescence: current evidence and opportunities for intervention 

      van Sluijs, Esther M.F.; Ekelund, Ulf; Crochemore-Silva, Inacio; Guthold, Regina; Ha, Amy; Lubans, David; Oyeyemi, Adewale L.; Ding, Ding; Katzmarzyk, Peter T. (Peer reviewed; Journal article, 2021)
      Young people aged 10–24 years constitute 24% of the world's population; investing in their health could yield a triple benefit—eg, today, into adulthood, and for the next generation. However, in physical activity research, ...