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Two decades of youth sport policy research: An augmented scoping review and synthesis
(Peer reviewed; Journal article, 2023)Research question: This article addresses the need to develop a comprehensive understanding of research on the formation and content of youth sport policies by presenting a review of studies across the period from 2000 to ... -
Two short questionnaires on leisure-time physical activity compared with serum lipids, anthropometric measurements and aerobic power in a suburban population from Oslo, Norway
(Peer reviewed; Journal article, 2007-12-19)The aim was to indirectly validate two short postal questionnaires measuring leisure-time physical activity (LPA) by comparing the answers with serum lipids and anthropometric measurements. Methods All inhabitants aged ... -
Type 1 Muscle Fiber Hypertrophy after Blood Flow–restricted Training in Powerlifter
(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 ... -
Types of collaborative continuous professional development in physical education: A dialogue
(Peer reviewed; Journal article, 2022)This paper presents a dialogue between researchers from three collaborative continuous teacher professional development (CCPD) projects, each of which involved a different theoretical framework and research design. Discussing ... -
Tyramine reveals failing α2-adrenoceptor control of catecholamine release and total peripheral vascular resistance in hypertensive rats
(Journal article; Peer reviewed, 2013-02-28)α2-Adrenoceptor-activation lowers central sympathetic output, peripheral, vesicular norepinephrine release, epinephrine secretion, and modulates vascular tension. We previously demonstrated that α2-adrenoceptor-mediated ... -
Ubiquitin ligases in longevity and aging skeletal muscle
(Peer reviewed; Journal article, 2022)The development and prevalence of diseases associated with aging presents a global health burden on society. One hallmark of aging is the loss of proteostasis which is caused in part by alterations to the ubiquitin–proteasome ... -
Ultrasound-guided sclerosing treatment in patients with patellar tendinopathy (jumper's knee): 44 month follow-up
(Journal article; Peer reviewed, 2011-08-12)Background: A randomized controlled study has shown good clinical results after treatment with sclerosing injections into the area with neovessels in patients with patellar tendinopathy, but no study has investigated medium- ... -
Unanticipated fake-and-cut maneuvers do not increase knee abduction moments in sport-specific tasks: Implication for ACL injury prevention and risk screening
(Peer reviewed; Journal article, 2022)Non-contact anterior cruciate ligament injuries typically occur during cutting maneuvers and are associated with high peak knee abduction moments (KAM) within early stance. To screen athletes for injury risk or quantify ... -
Under røde faner: om arbeideridrett og politisk idrettsestetikk
(Journal article; Peer reviewed, 2012)Arbeidernes Idrettsforbund fikk en kort historie, fra stiftelsen i 1924, til det ble vedtatt sammenslått med Norges Landsforbund for Idrett i det okkuperte Norge i 1940. Den formelle samlingen i Norges Idrettsforbund skjedde ... -
Understanding the increase in parents’ involvement in organized youth sports
(Journal article; Peer reviewed, 2016-02-18)As part of an ethnographic study on young people and learning (the knowledge in motion across contexts of learning project, set in Norway), we interviewed a diverse sample of parents of young teenagers, many of whom were ... -
Ungdom, idrett og klasse: Fortid, samtid og framtid
(Journal article; Peer reviewed, 2017)I denne artikkelen undersøker vi den klassebaserte rekrutteringen til ungdomsidretten i Norge over en 60 års periode. Vi har analysert tilgjengelige publikasjoner om klasseforskjeller i ungdoms idrettsdeltakelse, og vi har ... -
Ungdomsskolelæreres oppfatninger av tegning sett i lys av den grunnleggende ferdigheten "å skrive" i kunst og håndverk.
(Peer reviewed; Journal article, 2019)Denne artikkelen belyser tegning som del av kunst- og håndverksfaget i den formelle og oppfattede læreplanen. Artikkelen undersøker hvordan tegning beskrives i læreplan og støttemateriell, og hvordan lærere på fire ... -
Unit-specific calibration of Actigraph accelerometers in a mechanical setup - Is it worth the effort? The effect on random output variation caused by technical inter-instrument variability in the laboratory and in the field
(Peer reviewed; Journal article, 2008-04-11)Conclusion: The application of unit-specific calibration factors to data collected during free living conditions had no apparent effect on inter-instrument variability. In all probability, the effect of technical calibration ... -
Unstable shoes: Functional concepts and scientific evidence
(Journal article; Peer reviewed, 2012-05-17)The purpose of this study was to discuss (a) the conceptual idea behind unstable footwear and (b) the validity and scientific support of some selected claims made with respect to unstable shoes. The concept is that unstable ... -
Upper body heavy strength training does not affect performance in junior female cross-country skiers
(Journal article; Peer reviewed, 2015-07-06)We investigated the effects of adding heavy strength training to a high volume of endurance training on performance and related physiological determinants in junior female cross-country skiers. Sixteen well-trained athletes ... -
Upper body kinematic differences between maximum front crawl and backstroke swimming
(Peer reviewed; Journal article, 2020)The purpose of this study was to investigate why front crawl is faster than backstroke from a kinematic perspective. Three-dimensional kinematics were obtained from one upper-limb cycle of ten male competitive swimmers ... -
Upper-Body Muscular Endurance Training Improves Performance Following 50 min of Double Poling in Well-Trained Cross-Country Skiers.
(Peer reviewed; Journal article, 2017)This study investigated the effect of muscular endurance training on O2-cost and performance in double poling (DP) on a rollerski treadmill. Twenty-two well-trained cross-country skiers (31 ± 4 years, 77 ± 9 kg, 181 ± 8 ... -
Urinary incontinence and weight change during pregnancy and postpartum: a cohort study
(Journal article; Peer reviewed, 2010-08-20)Weight gain during pregnancy may contribute to increased urinary incontinence (UI) during and after pregnancy, but scientific support is lacking. The effect of weight loss on UI postpartum is unclear. From 1999 to 2006, ... -
Urinary incontinence in a fitness club setting: Is it a workout problem?
(Peer reviewed; Journal article, 2020)Introduction: The aims of the present study were to report longitudinal data on the prevalence of urinary incontinence (UI) in a fitness club setting and to investigate whether gym members are educated about and exercise ... -
Use of bisphosphonates for the treatment of stress fractures in athletes
(Peer reviewed; Journal article, 2008-12-05)A literature review was performed to investigate the potential role of bisphosphonates for the treatment of stress fractures in athletes. Given the inhibitory action on osteoclast-mediated bone resorption, short-term ...