Background: This systematic review aims to identify out-of-school time (OST) interventions (eg, programming, policies) that increased opportunities for physical activity (PA) and healthy eating and/or improved youth PA and dietary behaviors.
Methods: We searched for articles within systematic reviews that met our criteria (2010-2018) and for individual articles (2010-2020). Reviewer pairs screened articles, double-extracted data, assessed risk of bias (RoB), and achieved consensus. We included 71 articles (55 studies, 60 intervention arms).
Results: Health (n = 3) and nutrition education (n = 7) interventions showed promising results, but most used weak designs and had high RoB. PA-focused interventions (n = 23) were largely consistent in improving fitness and moderate to vigorous PA during programming. Programmatic interventions that improved both PA and nutrition outcomes engaged family or community members (n = 4/13). Most organizational policy interventions improved the nutrition environment and student PA during OST.
Conclusions: Organization-level policy and programmatic interventions can improve environmental supports and youth behaviors during OST programming, complementing school-day efforts to address student PA and dietary intake. To maximize their potential impact, OST programs need to be accessible to families. Administrators can consider actions to reduce participation barriers.
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http://dx.doi.org/10.1111/josh.13370 | DOI Listing |
JMIR Pediatr Parent
January 2025
School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin 4, Ireland.
Background: Preteen girls of lower socioeconomic position are at increased risk of physical inactivity. Parental support, particularly from mothers, is positively correlated with girls' physical activity levels. Consequently, family-based interventions are recognized as a promising approach to improve young people's physical activity.
View Article and Find Full Text PDFAppl Physiol Nutr Metab
January 2025
Nagoya University, Graduate School of Education and Human Development, Nagoya, Japan.
Skeletal muscles contain lipids inside and outside cells, namely intramyocellular lipids (IMCL) and extramyocellular lipids (EMCL), respectively; lipids have also been found to be interspersed between these muscles as adipose tissue, namely intermuscular adipose tissue (IMAT). Metabolized IMCL has been recognized as an important substrate for energy production and their metabolism is determined by the muscle oxidative capacity. Therefore, it has been speculated that muscle oxidative capacity is related to muscle lipid content.
View Article and Find Full Text PDFAppl Physiol Nutr Metab
January 2025
Queensland University of Technology, School of Exercise and Nutrition Sciences, Kelvin Grove, Queensland, Australia;
This study examined the effects of core and muscle temperature on force steadiness and motor unit discharge rate (MUDR) variability after a hot-water immersion session. Fifteen participants (6 women; 25±6 years) completed neuromuscular assessments before and after either 42ºC (hot) or 36ºC (control) water immersion. Force steadiness was measured during knee extension, while HD-sEMG signals were recorded from vastus lateralis and medialis for MUDR variability analysis.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Nursing and Physiotherapy, University of Salamanca, Salamanca, Spain.
Background: Sarcopenia is a clinical syndrome characterized by the loss of muscle mass and strength. Hormonal changes that occur early in women may influence protein synthesis and promote muscle atrophy, leading to probable sarcopenia, defined as a loss of muscle strength without an obvious decrease in muscle mass. Various types of exercise have already proven effective in treating sarcopenia.
View Article and Find Full Text PDFPLOS Glob Public Health
January 2025
Ministry of Health, Nairobi, Kenya.
Kenya is committed to achieving Universal Health Coverage (UHC) within its devolved health system in which significant investments have been made in health infrastructure, workforce development, and service delivery. Despite these efforts, the country faces considerable health workforce challenges. To address these, the Ministry of Health undertook a comprehensive Health Labour Market Analysis (HLMA) in 2022 to generate evidence supporting the development of responsive health workforce policies.
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