Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Sigridur Gudmundsdottir"'
Autor:
Robert J. Brychta, Kong Y. Chen, Sigridur Gudmundsdottir, Sunna Gestsdottir, Vaka Rognvaldsdottir, Erlingur Johannsson, Runa Stefansdottir
Publikováno v:
Sleep Health
OBJECTIVES: Sleep duration and physical activity decline with age during adolescence. Earlier school schedules may contribute to these declines. The aim of this longitudinal study was to track changes in sleep and activity of Icelandic youth from pri
Autor:
Vaka Rognvaldsdottir, Robert J. Brychta, Erlingur Johannsson, Sigurbjörn Á. Arngrímsson, Kong Y. Chen, Sigridur Gudmundsdottir, Soffia M. Hrafnkelsdottir
Publikováno v:
Sleep Health
Objectives Emerging evidence suggests that inconsistent sleep may affect physical and psychological health. Thus, it is important to identify modifiable determinants of sleep variability. Screen time and physical activity are both thought to affect s
Publikováno v:
Læknablaðið. 106:406-413
Fulfilling individual energy and nutrient requirements is of great importance for athletes to support overall health and well-being, training adaptation, recovery and injury prevention. Energy availability is the amount of energy left over and availa
Publikováno v:
Fish & Shellfish Immunology. 87:9-12
A novel 27 kDa ladder-lectin-like protein, showing a multimeric structure under non-reducing conditions, was isolated from halibut serum by binding to N-acetyl glucosamine. Mass-spectrometry analysis did not show significant homology with known prote
Autor:
Alexander Lundervold, Hilde Gundersen, Sigridur Gudmundsdottir, Vaka Rognvaldsdottir, Kong Y. Chen, Sunna Gestsdottir, Erlingur Johannsson, Runa Stefansdottir, Robert J. Brychta
Publikováno v:
Scientific Reports
Scientific Reports, Vol 10, Iss 1, Pp 1-13 (2020)
Scientific Reports, Vol 10, Iss 1, Pp 1-13 (2020)
In laboratory studies, imposed sleep restriction consistently reduces cognitive performance. However, the association between objectively measured, free-living sleep and cognitive function has not been studied in older adolescents. To address this ga
Publikováno v:
Public Health Nutrition
Publisher's version (útgefin grein)
Objective: The aim of the study was to assess the potential association between serum 25-hydroxyvitamin D (25(OH)D) and whole-body bone mineral density (BMD) among 16-year-old adolescents and to study the pre
Objective: The aim of the study was to assess the potential association between serum 25-hydroxyvitamin D (25(OH)D) and whole-body bone mineral density (BMD) among 16-year-old adolescents and to study the pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aafdc00e10f6e195f9756ea451bd92fa
https://hdl.handle.net/20.500.11815/2346
https://hdl.handle.net/20.500.11815/2346
Autor:
Sigridur Gudmundsdottir, Sigurgrimur Skulason, Sigurbjörn Á. Arngrímsson, Elvar Smari Sævarsson, Erlingur Johannsson, Marko T. Kantomaa, Thorarinn Sveinsson
Publikováno v:
Acta Paediatrica. 108:347-353
AIM The associations between body fat levels and physical activity with academic performance are inconclusive and were explored using longitudinal data. METHODS We enrolled 134/242 adolescents aged 15, who were studied at the age of nine and agreed t
Autor:
Berglind M Valdimarsdottir, Sigurbjörn Á. Arngrímsson, Robert J. Brychta, Sigridur Gudmundsdottir, Erlingur Johannsson, Vaka Rognvaldsdottir, Kong Y. Chen, Soffia M. Hrafnkelsdottir
Publikováno v:
Læknablaðið. 2018:79-85
INTRODUCTION Physical activity and sleep are major determinants of overall health. According to international recommendations, adolescents should engage in moderate to vigorous physical activity for at least 60 min each day and sleep eight to ten hou
Autor:
Sigridur Gudmundsdottir
Publikováno v:
Pediatric exercise science. 32(1)
Publisher's version (útgefin grein)
Insufficient sleep duration may affect athletic performance and health. Inconsistent sleep pattern also has negative health effects, but studies on athletes’ intraindividual sleep variability are scarce. Th
Insufficient sleep duration may affect athletic performance and health. Inconsistent sleep pattern also has negative health effects, but studies on athletes’ intraindividual sleep variability are scarce. Th
Publikováno v:
Public Health. 149:71-73