This study aimed to assess the trends of health-related cardiorespiratory fitness (CRF) during two school years with a 3-month summer break in children and adolescents. A 2-year longitudinal study, including 440 6th to 8th graders (218 boys), mean age 12.3 years, was conducted. The Progressive Aerobic Cardiovascular Endurance Run (PACER) was used to assess CRF. Physical activity was measured using accelerometers. Repeated measures linear models were used to analyses differences and trends in VO2peak and health-related CRF. Overall differences between time-point VO2peak were significant for both boys (p<0.001) and girls (p=0.003). Pairwise comparisons showed that VO2peak improved from the beginning to the end of the same school year for boys (school-year 1: 1.53 ml/kg/min, 95%CI=0.98, 2.09; school-year 2: 1.81 ml/kg/min, 95%CI=1.28, 2.34) and girls (school-year 1: 0.85 ml/kg/min, 95%CI=0.43, 1.27; school-year 2: 1.05 ml/kg/min, 95%CI=0.73, 1.36), while, differences in CRF during summer break were not significant. However, significance was only maintained for girls when performing monthly adjusted analysis. Improvements in CRF were observed during school year and remained unchanged during summer break. These findings provide relevant information for the health education community, suggesting the need for additional efforts to counteract the summer break effects on CRF, especially for girls.
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http://dx.doi.org/10.1080/02640414.2022.2057004 | DOI Listing |
Obes Rev
December 2024
USDA/ARS Children's Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA.
Introduction: Obesity during childhood is a critical public health issue. The summer break from school is a time when children are prone to accelerated weight gain. We aimed to investigate how obesity prevention or treatment programs implemented over the summer affect anthropometric measures or weight-related behaviors.
View Article and Find Full Text PDFMol Ecol
December 2024
Department of Life Science, National Taiwan University, Taipei, Taiwan.
Species with intermediate phenotypes are usually hypothesised to have originated from hybrid speciation. However, other mechanisms, such as double bifurcated speciation with introgression may create the same phenotypes. Clarifying the underlying process generating the observed intermediate morphology is important for conservation efforts, as it provides insights into the species' evolutionary background and adaptability.
View Article and Find Full Text PDFSci Total Environ
December 2024
Mobilar Lab for Natural Risks, University of Bern, Hallerstrasse 12, 3012 Bern, Switzerland; Institute of Geography, University of Bern, Hallerstrasse 12, 3012 Bern, Switzerland; Oeschger Centre for Climate Change Research, University of Bern, Hochschulstrasse 4, 3012 Bern, Switzerland. Electronic address:
Exploring the impacts of extreme weather events has gained increased attention in recent years after repeated record-breaking events, such as unprecedented river flood events in central Europe in summer 2021. After the flood event, risk management institutions, such as for example, fire brigades, civil protection units, or natural hazard experts asked if it was possible to predict the impacts of such an unprecedented event ex-ante and if similar events could occur elsewhere or if climatic changes can even worsen extreme flood events. Here, we present an approach to explore storylines of physically plausible extreme river flood events in a warming climate.
View Article and Find Full Text PDFFEBS Open Bio
December 2024
Department of Human Health and Nutritional Sciences, University of Guelph, Canada.
The development of scientific literacy (SL) skills is critical in the life sciences. A flipped classroom reverses traditional learning spaces such that foundational knowledge is acquired by students independently through recorded lectures and/or readings in advance of the lecture period and knowledge is consolidated through active learning activities in the classroom. A flipped classroom learning environment can promote critical skill development and knowledge application, and therefore, could enhance SL skill development.
View Article and Find Full Text PDFJ Agric Food Chem
December 2024
Plant Protection Institute, Hebei Academy of Agriculture and Forestry Sciences, Key Laboratory of Integrated Pest Management on Crops in Northern Region of North China, Ministry of Agriculture and Rural Affairs, P. R. China, IPM Innovation Center of Hebei Province, International Science and Technology Joint Research Center on IPM of Hebei Province, Baoding, Hebei 071000, People's Republic of China.
is a recurring pest in the maize seedling stage under the wheat-maize no-tillage direct seeding system in China's summer maize region. Our previous research identified a highly pathogenic to , which spore wall protein plays an important role in the infection process. However, the regulatory mechanism of this spore wall protein is still unclear.
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