Doktorgradsavhandlinger / PhD Dissertations: Nye registreringer
Viser treff 41-60 av 169
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The importance of oxygen extraction and blood volume for maximal oxygen uptake
(Doctoral thesis, 2020)This thesis includes four research papers, based on four separate studies aiming to elucidate the importance of O2 extraction and blood volume (BV) for maximal O2 uptake (VO2max). In study I, twelve untrained subjects ... -
Pre- and postnatal factors related to cardiometabolic health and adiposity in children and adolescents: Does physical activity matter?
(Doctoral thesis, 2020)Introduction: Cardiovascular diseases are a leading cause of premature mortality in all regions of the world, and they are highly linked to obesity. Pre- and postnatal factors, including maternal pre-pregnancy body mass ... -
Anti-doping as solidarity: A philosophical inquiry into anti-doping in elite sport
(Doctoral thesis, 2020)Doping in elite sport is commonly understood as a moral problem. In line with this view, antidoping work is set out to protect ‘clean’ athletes and ‘the spirit of sport’ from individual athletes’ and accomplices’ lack of ... -
Physical activity among preschoolers : Cross-sectional and prospective findings from the Sogn og Fjordane Preschool Physical Activity Study
(Doctoral thesis, 2020)Introduction: Physical activity (PA) during early childhood is of great importance for children’s health and development. As PA levels are known to decrease over time in school-aged children and adolescents, the preschool ... -
Injury and illness in youth elite athletes.
(Doctoral thesis, 2020)Introduction: The health benefits associated with youth sports participation are well recognized. At the elite level, however, are these advantages in fact outweighed by an increased risk of injury and illness? There are ... -
Meniscal ramp lesions: Anatomy, biomechanics, and clinical outcomes
(Doctoral thesis, 2020)Introduction: Anterior cruciate ligament (ACL) tears are the most common researched pathology in all of sports medicine. Researchers and clinicians have dedicated their careers to investigating the treatment of ACL tears ... -
Cardiometabolic risk factors in children: reference values, association with cardiorespiratory fitness and effects of the Active Smarter Kids (ASK) physical activity intervention
(Doctoral thesis, 2020)Cardiovascular disease (CVD) is the leading cause of disease-related morbidity and global mortality among adults (1, 2). In children, a clinical manifestation of CVD is not present, but studies have shown that atherosclerosis ... -
The Healthy Body Image intervention: A school-based, cluster-randomized controlled trial in high school students
(Doctoral thesis, 2020)Background: Researchers have been encouraged to design and evaluate health promotive interventions specifically tailored to promote positive embodiment in adolescents because it is associated with important mental and ... -
Thriving, striving, or just surviving?: A study of motivational processes among elite junior performers from sports and performing arts
(Doctoral thesis, 2019)Background: Reaching the top in sports and performing arts can be striving. For some elite junior performers, though, the perceived requests and stressors seem to be overwhelming, resulting in dropout, unfulfilled potential, ... -
Teaching and understanding "need supportive" coaching: Developing and implementing a coach development program
(Doctoral thesis, 2019)The aim of the thesis was to contribute to an understanding as to how to increase coach knowledge to enhance athletes' experiences from sports. The primary aim of the study was to understand how to create a coach development ... -
Hand reach star excursion balance test
(Doctoral thesis, 2019)Background: Different tests for dynamic postural control; i.e., the ability to maintain a stable base while completing a movement, are frequently used to assess functional and athletic performance. Current tests primarily ... -
Effects of strength training on specific strength and muscle protein quality control in frail elderly
(Doctoral thesis, 2019)With aging, the loss of muscle strength exceeds the loss of muscle mass. Specific strength, defined as strength normalized to the cross-sectional area of a muscle or muscle group, declines accordingly. A reduced voluntary ... -
Inclusion of children with disabilities in physical education: Current knowledge base and the experiences of children with disabilities and their parents
(Doctoral thesis, 2019)Background: Children with disabilities are at risk of social and pedagogical marginalisation and exclusion in physical education (PE). Despite increased international research initiatives, our knowledge of what supports ... -
Prospective associations between sedentary time, physical activity and cardiometabolic health in children: The Active Smarter Kids Study
(Doctoral thesis, 2019)Background: A large proportion of children and adolescents are not sufficiently active according to PA recommendations. Cross-sectional studies find low PA levels to be associated with excessive body weight and poor ... -
Head injuries in FIS World Cup alpine skiers, snowboarders and freestyle skiers: Epidemiology and video analyses of head impact injury mechanisms
(Doctoral thesis, 2019)Background: Head injuries represent a concern in skiing and snowboarding, where traumatic brain injury is the most common cause of death. We therefore wanted to describe the risk of head injuries across disciplines and sex ... -
Safe sport for all?: Exploring safety and safeguarding in Zambian sport
(Doctoral thesis, 2019)Safeguarding policies and regulations provide a way for sport associations to address abuse and promote “safe sport”. In recent years, formalized safeguarding in sport has gained ground within sport governance in many ... -
Worksite health promotion, coworker support,and motivation for lifestyle change: Effects of a self-determination theory based cluster-randomized controlled trial on physical activity, cardiorespiratory fitness, and health
(Doctoral thesis, 2019)Introduction: National surveys around the world repeatedly report that adults are not physically active enough to obtain various health benefits. The worksite represents an important context for physical activity (PA) ... -
Health-related physical fitness: Status of body composition, musculoskeletal- and neuromotor fitness, and the e ect of a tailored, telephone and email based exercise intervention on body composition and physical fitness
(Doctoral thesis, 2019)Background: The increasing obesity prevalence rates in addition to the increasing physical inactivity rates present serious public health challenges worldwide. The effect of these trends on aspects of health-related physical ... -
The role of Achilles tendon properties in the mechanical function of the human triceps surae
(Doctoral thesis, 2019)The mechanical output of the muscle-tendon unit (MTU) is in part governed by the viscoelastic nature of tendinous tissues. The tendon contributes to beneficial contractile conditions during various types of movement. Yet, ... -
Effects of long-term stretching training on muscle-tendon morphology, mechanics and function
(Doctoral thesis, 2019)The aim of the present thesis was to examine the effects of long-term stretching training on hamstrings and triceps surae muscle-tendon morphology, mechanics and function. Elite rhythmic gymnasts (study I) and professional ...