Browsing Brage NIH by Title
Now showing items 361-380 of 3538
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Caffeine and endurance performance in athletes
(Doctoral thesis, 2017)This thesis consists of five studies with additional unpublished results where the aim was to examine the effects of caffeine (CAF) ingestion on factors considered determining for endurance sport performance and fatigue. ... -
Caffeine and performance in altitude: endurance performance in acute hypoxia following 4 mg·kg-1 caffeine ingestion
(Master thesis, 2014)Introduction: Various studies have observed improved endurance performance (EP) following caffeine ingestion (CAF) at lowland. However, the effects CAF have on an endurance performance in altitude have so far been given ... -
Caffeine and performance over consecutive days of simulated competition
(Journal article; Peer reviewed, 2015-09)Purpose: Performance improvements after caffeine (CAF) ingestion are well documented when using a 1-d protocol. In numerous competitions such as the Tour de France, Tour de Ski, world championships, and National College ... -
Caffeine increases performance in cross-country double-poling time trial exercise
(Journal article; Peer reviewed, 2013-11)PURPOSE: Caffeine (CAF) improves performance in both short- and long-duration running and cycling where performance relies on power output and endurance capacity of leg muscles. No studies have so far tested ... -
Caffeine Increases Strength and Power Performance in Resistance-trained Females During Early Follicular Phase
(Peer reviewed; Journal article, 2020)The effects of 4 mg·kg−1caffeine ingestion on strength and power were investigated for the first time, in resistance‐trained females during the early follicular phase utilizing a randomized, double‐blind, placebo‐controlled, ... -
Calibration and cross-validation of a wrist-worn Actigraph in young preschoolers
(Journal article; Peer reviewed, 2015-02-06)Objective: To calibrate the Actigraph GT3X+ accelerometer for wrist-worn placement in young preschoolers by developing intensity thresholds for sedentary, low- and high-intensity physical activity. Furthermore, to ... -
CAM-type femoroacetabular impingement in male elite junior cross-country skiers and non-athlete controls: A cross-sectional MRI study
(Peer reviewed; Journal article, 2019)OBJECTIVES: Cross-country (CC) skiing consists of two main techniques: classic and skating. Hip motion during the skating technique is similar to that in ice skating and is considered a risk factor for femoroacetabular ... -
Can fractional exhaled nitric oxide (FENO) levels at baseline, doctor diagnosed allergy and doctor diagnosed asthma predict the development of exercise-induced bronchoconstriction (EIB) in recreational Norseman triathletes?
(Master thesis, 2024)Denne masteroppgaven er klausulert, og er IKKE TILGJENGELIG. -
Can maximal voluntary pelvic floor muscle contraction reduce vaginal resting pressure and resting EMG activity?
(Journal article; Peer reviewed, 2018)Introduction and hypothesis: The purpose of the present study was to assess whether attempts at a maximal voluntary pelvic floor muscle (PFM) contraction can reduce vaginal resting pressure (VRP) and surface EMG activity ... -
Can Priming Sessions Enhance Performance in Olympic Weightlifters?
(Master thesis, 2020)Introduction: There are many factors influencing performance in Olympic weightlifting (weightlifting) competitions. In most sports the margins between winning and losing are small and the outcome of the competition is ... -
Can supplementation with vitamin C and E alter physiological adaptations to strength training?
(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 ... -
Can the Paula method facilitate co-contraction of the pelvic floor muscles?: a 4D ultrasound study
(Journal article; Peer reviewed, 2010-11-23)Introduction and hypothesis: The aim was to compare constriction of the levator hiatus (LH) and reduction of pelvic floor muscle (PFM) length during instruction of the Paula method (contraction of ring musculature of ... -
Can you breathe yourself to a better pelvic floor?: A systematic review
(Peer reviewed; Journal article, 2023)Introduction: Some authors suggest that breathing exercises should be recommended instead of or in combination with pelvic floor muscle training (PFMT) to prevent and treat urinary incontinence (UI) and pelvic organ prolapse ... -
Can you swim in waves? Children´s swimming, floating and entry skills in calm and simulated unsteady water conditions
(Journal article; Peer reviewed, 2013)Little is known about the transfer of swimming skills from indoor, flat, calm conditions to outdoor, wavy, unsteady conditions. The aim of the current study was to examine the differences in swimming, floating, and entry ... -
Can you swim?: an exploration of measuring real and perceived water competency
(Journal article; Peer reviewed, 2012)Little is known about the relationship between real and perceived water competence among youth in the context of drowning prevention or of their perceptions of their risk of drowning. This study reports the findings of ... -
Can β2-agonists have an ergogenic effect on strength, sprint or power performance? Systematic review and meta-analysis of RCTs
(Peer reviewed; Journal article, 2020)Objectives: We aimed to examine the effect of β2-agonists on anaerobic performance in healthy non-asthmatic subjects. Design: Systematic review and meta-analysis. Eligibility criteria: We searched four databases (PubMed, ... -
Cancer patients’ experiences of using an Interactive Health Communication Application (IHCA)
(Journal article; Peer reviewed, 2012-05-09)Interactive Health Communication Applications (IHCAs) are increasingly used in health care. Studies document that IHCAs provide patients with knowledge and social support, enhance self- efficacy and can improve behavioural ... -
Cancer risk in Norwegian world class athletes
(Journal article; Peer reviewed, 2010-06-11)Background: Physical activity appears to be inversely related to cancer risk, although the evidence is convincing for colon cancer only. As physical activity levels are difficult to measure in the general population, ... -
Cannabis use and the spirit of sport: a response to Mike McNamee
(Journal article; Peer reviewed, 2014-09)In a recent article in this journal, Mike McNamee (2012: 374–92) noted that “one particularly problematic aspect of present anti-doping policy relates to the existence of what are often and variously referred to as ‘social ... -
Cardiometabolic associations between physical activity, adiposity, and lipoprotein subclasses in prepubertal Norwegian children
(Peer reviewed; Journal article, 2021)Lipoprotein subclasses possess crucial cardiometabolic information. Due to strong multicollinearity among variables, little is known about the strength of influence of physical activity (PA) and adiposity upon this ...