Physical fitness (PF) of children and adolescents is an important resource for their future
health. Population-based studies, however, rarely report secular changes of PF, although …

Using the population-based data we aim to estimate the general population trends of
multiple components of physical fitness of children, identify critical structural changes in …

It is vital from the public health and educational perspective to be familiar with changes in
the fitness levels of individuals and populations since fitness is associated with several …

The main purpose of the study was to evaluate the secular trends in physical fitness of
Chinese rural children and adolescents aged 7–18 from 1985 to 2019. The speed, muscular …

The main purpose of the study was to analyze secular trends of health-related physical
fitness in 7–14-year-old Croatian children and adolescents from 1999 and 2014. In this …

Second, to allow for better comparability with other research, the cycle ergometry test
protocol of the Physical Working Capacity 170 (PWC170) which assesses cardiorespiratory …

Background With the emergence of the COVID-19 pandemic, many countries implemented
policies that included movement restrictions, social distancing and school closures in order …

With the beginning of the COVID-19 pandemic in December 2019, each country has
developed strategies to try to control the virus. The restrictions and subsequent …

Abstract The German Report Card on Physical Activity for Children and Adolescents 2022
provides a summary and a comprehensive evaluation of physical activity levels and …

High Intensity Interval Training (HIIT) sessions effectively improve aerobic fitness in children
and adolescents in relatively short time. Circuit Training arrangements using highly intensive …