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Healthcare (Basel, Switzerland)|April 14, 2026
Changes in School-Based Physical Activity and Well-Being Among Adolescents Before and After the COVID-19 PandemicDorota Groffik, Karel Frömel, Mateusz Ziemba
Journal of Physical Activity & Health|August 8, 2022
Time Trends of Step-Determined Physical Activity Among Adolescents With Different Activity Levels in Czech RepublicKarel Frömel, Josef Mitáš, Catrine Tudor-Locke
International Journal of Environmental Research and Public Health|May 14, 2020
Physical Activity in 15-17-Year-Old Adolescents as Compensation for Sedentary Behavior in SchoolLukáš Jakubec, Karel Frömel, František Chmelík, et al.
Journal of Physical Activity & Health|May 17, 2013
Physical activity, sedentary behavior, and body mass index in the Czech Republic: a nationally representative surveyJosef Mitáš, Ding Ding, Karel Frömel, et al.
Biomed Research International|June 10, 2022
Differences and Associations between Physical Activity Motives and Types of Physical Activity among Adolescent Boys and GirlsKarel Frömel, Dorota Groffik, Michal Šafář, et al.
International Journal of Environmental Research and Public Health|March 24, 2016
Compensation for Adolescents' School Mental Load by Physical Activity on Weekend DaysMichal Kudláček, Karel Frömel, Lukáš Jakubec, et al.
Annals of Agricultural and Environmental Medicine : AAEM|September 21, 2020
The trend and structure of adolescents' weekly step count in the context of the Polish school environmentDorota Groffik, Karel Frömel, Michal Vorlíček, et al.
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