Zobrazeno 1 - 10
of 86
pro vyhledávání: '"SIGURBJöRN A ARNGRíMSSON"'
Autor:
Vaka Rognvaldsdottir, Robert J Brychta, Soffia M Hrafnkelsdottir, Kong Y Chen, Sigurbjorn A Arngrimsson, Erlingur Johannsson, Sigridur L Guðmundsdottir
Publikováno v:
PLoS ONE, Vol 15, Iss 5, p e0229114 (2020)
BACKGROUND:Sleep and physical activity are modifiable behaviors that play an important role in preventing overweight, obesity, and metabolic health problems. Studies of the association between concurrent objective measures of sleep, physical activity
Externí odkaz:
https://doaj.org/article/23e571247b3c44d6bee0056bada6c6a2
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
Autor:
Runa Stefansdottir, Robert J. Brychta, Soffia M. Hrafnkelsdottir, Vaka Rognvaldsdottir, Kong Y. Chen, Sigurbjörn Á. Arngrímsson, Sunna Gestsdottir, Sigríður Guðmundsdóttir, Erlingur Johannsson
Publikováno v:
Journal for the measurement of physical behaviour
Introduction: Sleep is often quantified using self-report or actigraphy. Self-report is practical and less technically challenging, but prone to bias. We sought to determine whether these methods have comparable sensitivity to measure longitudinal ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::774d9ec7ff6fc212424cb25eb89e7191
https://hdl.handle.net/20.500.11815/2488
https://hdl.handle.net/20.500.11815/2488
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
Publikováno v:
Acta Paediatrica. 107:1070-1076
AIM This study investigated the associations, by sex, between sleep and adiposity, dietary habits, cardiorespiratory fitness and metabolic risk in 18-year-old students. METHODS We carried out a cross-sectional study of 199 randomly chosen, healthy 18
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
The Accuracy Of Four Component Models Using Body Volume Equations And Field-based Water Measurements
Publikováno v:
Medicine & Science in Sports & Exercise. 53:15-15
Autor:
Erla Svansdottir, Thorarinn Sveinsson, Sigurbjörn Á. Arngrímsson, Elvar Smari Sævarsson, Erlingur Johannsson, Tinna Laufey Ásgeirsdóttir
Publikováno v:
Scandinavian Journal of Public Health. 45:861-868
Publisher's version (útgefin grein)
Aims: The aims of this study were to study the correlation between lifestyle-related factors, such as organized leisure-time sport participation (OLSP), cardiorespiratory fitness, and adiposity, and academic
Aims: The aims of this study were to study the correlation between lifestyle-related factors, such as organized leisure-time sport participation (OLSP), cardiorespiratory fitness, and adiposity, and academic
Autor:
Dimitris Vlachopoulos, SIGURBJöRN A ARNGRíMSSON, Karen M. Knapp, Luis Moreno, Craig A. Williams, Luis Gracia-Marco, Ioannis G. Fatouros, Alan R. Barker, Brad S Metcalf
Publikováno v:
Medicine & Science in Sports & Exercise. 49:317-326
Exercise is an effective approach for developing bone mass and adolescence is a key period to optimize bone health. However, sports-specific training may have different effects on bone outcomes. This study examined the differences on bone outcomes be
Publikováno v:
Research in Developmental Disabilities. 56:60-70
Little is known about physical activity (PA) among children with intellectual disability (ID) or their reasons to take part in PA and sport.To investigate PA and PA patterns during school and after school among Icelandic children with mild-to-severe