BACKGROUND: The 2020 World Health Organization Guidelines on Physical Activity and Sedentary Behavior are the first to provide evidence-based recommendations for reducing both dimensions of languorous behavior. The relationship between sitting time and exercise remains understudied among diverse adolescent populations worldwide. METHODS: The 2017…

Background: A systematic adaptation of an evidence-based state health curriculum (Michigan Model for Health™, MMH) was created to enhance physical activity and family engagement materials but retain the core functional elements of the curriculum. Methods: The Framework for Reporting Adaptations and Modifications-Enhanced (FRAME) was used to…

Background: The System of Observing Play and Leisure Activity in Youth (SOPLAY) has assisted in providing valid and reliable data of youth physical activity and characteristics specific to environmental contexts. The review aimed to examine empirical research that employed the SOPLAY instrument to measure physical activity in leisure-based…

Background: We aimed to characterize relationships between delayed high school start time policy, which is known to lengthen school night sleep duration, and patterns in activity outcomes: physical activity, non-school electronic screen time (non-schoolwork), and sports and extracurricular activity among adolescents. Methods: We used data from the…

Background: Schools play a vital role in student health, and a collaborative approach may affect health factors such as physical activity (PA) and nutrition. There is a lack of recent literature synthesizing collaborative approaches in K-12 settings. We present updated evidence about interventions that used a coordinated school health approach to…

Background: Previous research on the correlates of unintentional school injuries is based on either process or cross-sectional data. This study aims at approaching the causal effects of risk-seeking behavior, mental health problems, physical activity, and exposure to bullying on unintentional injuries in the school environment by relying on…

Background: Early studies indicate children's physical activity (PA) decreased during the pandemic but may vary by school format and season. We longitudinally assessed changes in PA and screentime (ST) behaviors throughout 1 year of the COVID-19 pandemic and according to changes in school format. Methods: Parents of children (5-18 years) completed…

Background: There are many ways to increase physical activity (PA) during the school day as part of a Comprehensive School Physical Activity Plan. This article reviews policies and practices that can be used during the school day to increase PA for students. Methods: We searched systematic reviews for articles that met criteria (2010-2018, phase…

Background: We introduce the Whole School, Whole Community, Whole Child approach to supporting student and school staff physical activity and nutrition and describe the methods used to generate the evidence synthesized across the special issue articles. Methods: A 2-phase literature review search included a search of systematic reviews (2010-2018)…

Background: Recess provides many physical, mental, and social benefits for students; however, the most recent systematic review examining the benefits of recess was conducted over a decade ago. The purpose of this paper was to determine the current benefits of school recess by conducting an updated systematic review of the literature. Methods:…

Background: The workplace is an important setting for health protection, health promotion, and disease prevention programs. In the school setting, employee health and well-being programs can address many physical and emotional concerns of school staff. This systematic review summarizes evidence-based approaches from employee health and well-being…

Background: This systematic review aimed to synthesize recent evidence on interventions to increase moderate-to-vigorous physical activity (MVPA) content of physical education (PE) in children age 8 to 11. Methods: A search of 6 databases was conducted in December 2019. Controlled intervention studies were included so long as they used objective…

Background: Children are expected to adhere to the recommended physical activity (PA) dose of 60 minutes per day and minimize sedentary behaviors (SB) to stray away from the cardio-metabolic disease risk. However, there is a lack of review of current evidence pointing to the negative physical health effects of the Covid-19 lockdown, with its…

Background: In our society, children are particularly vulnerable to physical inactivity and excessive sedentary time (ST). The aim of this study was to evaluate the effectiveness of a school-based intervention designed to promote physical activity (PA) and reduce ST in 6- to 10-years-old children from a disadvantaged neighborhood. Methods: The…

Background: School-based physical activity (PA) programs are an equitable, evidence-based approach to combat health and PA disparities. This study examined factors associated with implementation of BE Physically Active 2Day (BEPA 2.0), a K-5 school-based PA program, and examined how support from Cooperative Extension via Supplemental Nutrition…