Vaka Rognvaldsdottir

Reykjavik, Iceland

Last Updated: 09/26/2026

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Found 17 publications

Player ranking is associated with physical performance and body composition in 12-year-old female soccer players.

Player ranking is associated with physical performance and body composition in 12-year-old female soccer players.

Journal: Frontiers in sports and active living

Published: March 05, 2026

Asymmetries in lean mass, balance, and stability in 12-year-old female soccer (football) players: a cross-sectional study.

Asymmetries in lean mass, balance, and stability in 12-year-old female soccer (football) players: a cross-sectional study.

Journal: Frontiers in sports and active living

Published: September 15, 2025

Associations Between Bone Age, Body Composition and Physical Performance in Icelandic 12-Year-Old Female Soccer Players.

Associations Between Bone Age, Body Composition and Physical Performance in Icelandic 12-Year-Old Female Soccer Players.

Journal: European journal of sport science

Published: February 23, 2025

Longitudinal development and tracking of cardiorespiratory fitness from childhood to adolescence.

Longitudinal development and tracking of cardiorespiratory fitness from childhood to adolescence.

Journal: PloS one

Published: October 17, 2023

Changes in health-related lifestyle choices of university students before and during the COVID-19 pandemic: Associations between food choices, physical activity and health.

Changes in health-related lifestyle choices of university students before and during the COVID-19 pandemic: Associations between food choices, physical activity and health.

Journal: PloS one

Published: December 20, 2022

Screen Time and Body Image in Icelandic Adolescents: Sex-Specific Cross-Sectional and Longitudinal Associations.

Screen Time and Body Image in Icelandic Adolescents: Sex-Specific Cross-Sectional and Longitudinal Associations.

Journal: International journal of environmental research and public health

Published: November 25, 2021

Health and well-being of university students before and during COVID-19 pandemic: A gender comparison.

Health and well-being of university students before and during COVID-19 pandemic: A gender comparison.

Journal: PloS one

Published: August 25, 2021

Organized Sport Participation, Physical Activity, Sleep and Screen Time in 16-Year-Old Adolescents.

Organized Sport Participation, Physical Activity, Sleep and Screen Time in 16-Year-Old Adolescents.

Journal: International journal of environmental research and public health

Published: February 11, 2021

Sleep timing and consistency are associated with the standardised test performance of Icelandic adolescents.

Sleep timing and consistency are associated with the standardised test performance of Icelandic adolescents.

Journal: Journal of sleep research

Published: December 15, 2020

Association between free-living sleep and memory and attention in healthy adolescents.

Association between free-living sleep and memory and attention in healthy adolescents.

Journal: Scientific reports

Published: June 25, 2020

Less physical activity and more varied and disrupted sleep is associated with a less favorable metabolic profile in adolescents.

Less physical activity and more varied and disrupted sleep is associated with a less favorable metabolic profile in adolescents.

Journal: PloS one

Published: January 27, 2020

Longitudinal Change in Adolescent Bedtimes Measured by Self-Report and Actigraphy.

Longitudinal Change in Adolescent Bedtimes Measured by Self-Report and Actigraphy.

Journal: Journal for the measurement of physical behaviour

Published: December 05, 2019

Showing 1-12 of 17

Last Updated: 09/26/2026