Publications by authors named "Margret Gudmundsdottir"

Handball (team handball) is a multifactorial sport. The aims of this study were (i) to analyse anthropometric variables, conditioning abilities, and handball skills in club handball players according to age and sex, and (ii) to develop multivariate models explaining club handball performance from a multidimensional perspective. Two hundred and twenty six handball players (age 16.

View Article and Find Full Text PDF

Objectives: The cause-effect relationship between educational and sport factors, and alcohol drinking in adolescents is rarely prospectively investigated. This study aimed to establish the possible influence of sport, scholastic and socio-demographic factors on harmful alcohol drinking (HD) and the initiation of HD in adolescents from Bosnia-Herzegovina.

Methods: Study included 881 adolescents (49% females) and consisted of (1) baseline tests (16 years of age) and (2) follow-up testing (18 years of age).

View Article and Find Full Text PDF

Saavedra, JM, Kristjánsdóttir, H, Einarsson, IÞ, Guðmundsdóttir, ML, Þorgeirsson, S, and Stefansson, A. Anthropometric characteristics, physical fitness, and throwing velocity in elite women's handball teams. J Strength Cond Res 32(8): 2294-2301, 2018-The aims of this study were (a) to analyze anthropometric, physical fitness, and throwing speed in women elite handball players of different ages and (b) to develop a multivariate model explaining handball performance from a multidimensional perspective.

View Article and Find Full Text PDF

Previous research shows that dyslexic readers are impaired in their recognition of faces and other complex objects, and show hypoactivation in ventral visual stream regions that support word and object recognition. Responses of these brain regions are shaped by visual statistical learning. If such learning is compromised, people should be less sensitive to statistically likely feature combinations in words and other objects, and impaired visual word and object recognition should be expected.

View Article and Find Full Text PDF

During the last decade, Iceland has made impressive progress in reducing adolescent substance use. By engaging schools, youth organizations, and other community stakeholders concerned with youth development, Iceland has developed local partnerships that have worked assiduously to reduce risk factors and strengthen school and community-level protective factors for adolescent substance use that peaked in 1998. The nationwide implementation of this transdisciplinary approach to health promotion has led to a 60% decline in both experimentation and use of alcohol, tobacco and cannabis.

View Article and Find Full Text PDF

Great changes have come about in the last decade regarding the organization of work. High technology and the steadily increasing ideology of technocracy has produced a profound effect on the organization of work in some workplaces. This effect has made the psychosocial and physical working environment tougher, especially for women.

View Article and Find Full Text PDF