Although genetic influences on individual differences in activity level (AL) are well documented, few studies have considered the etiology of AL from a contextual perspective. In the present study, cross-situational and context-specific genetic effects on individual differences in AL at age 2 were examined. The AL of 312 twin pairs (144…

A review of the current literature indicates that childhood obesity is on the rise. What is more disconcerting is that this epidemic has significantly affected the preschool-age population, with the percentage of overweight children increasing from 5.0% to 12.4%, as indicated by National Health and Nutrition Examination Survey (NHANES) surveys…

Background: This study was conducted to empirically evaluate specific human, curricular, and material resources that maximize student opportunities for physical activity during physical education (PE) class time. A structure-process-outcome model was proposed to identify the resources that influence the frequency of PE and intensity of physical…

As more than 70% of individuals in Western societies can be categorized as sedentary and inactivity has been recognized to lead to a series of serious physical and psychological disorders, the importance of physical activity promotion is ever more emphasized. Many social marketing campaigns use threat (or fear) appeals to promote healthy…

This article is based on the work of Louv (2005, 2008) and Lowell (2008) and their ideas are explored with regard to barriers to, as well as opportunities for, effective environmental education. State curriculum standards in the U.S. include substantial environmental education (EE) content. Despite this, overall education policy stymies educators'…

Studies involving physical exercise and individuals with autism spectrum disorders (ASD) were reviewed. Systematic search procedures identified 18 studies meeting predetermined inclusion criteria. These studies were evaluated in terms of: (a) participant characteristics, (b) type of exercise, (c) procedures used to increase exercise, (d) outcomes,…

The number of children and youth who are overweight has reached epidemic proportions in the United States. According to the 2007-2008 National Health and Nutrition Examination Survey (NHANES) conducted by the Centers for Disease Control and Prevention (CDC), an estimated 17 percent of children and adolescents ages 2-19 years are obese. In…

In addition to hypotonia and relative sarcopenia, patients with Prader-Willi syndrome (PWS) show reduced spontaneous physical activity and gait disorders. Scant evidence exists that daily muscle training increases their lean mass and physical activity levels. Whether adequate long-term physical training is feasible and effective in improving…

Part 1 of this article, which appeared in the April 2013 of JOPERD, presented the theoretical foundation and evidence-based needs for a main-theme curriculum model called Health Optimizing Physical Education (HOPE) for schools. It also described eight strands that could be used to plan, implement, and assess this version of a comprehensive school…

The purpose of this study was to examine self-reported health behaviors (health responsibility, physical activity, nutrition, spiritual growth, interpersonal relations and stress management) of Resident Directors who self-reported being affiliated with ACUHO-I. The second purpose of the study was to examine which areas of health behaviors, do…

According to cross-sectional studies in sport science literature, decreasing sports activity with increasing age is generally assumed. In this paper, the validity of this assumption is checked by applying more effective methods of analysis, such as longitudinal and cohort sequence analyses. With the help of 20 years' worth of data records from the…

Pedometers are a popular tool among physical educators and recreation and fitness professionals for promoting and monitoring the physical activity of youths. Pedometers are particularly useful because they are reliable, inexpensive, and simple for youths to use and understand. However, pedometers also have some limitations, the greatest one being…

Despite the fact that children have an extraordinary amount of leisure time, students of all ages engage in too little physical activity. Opportunities for physical activity should be provided through recesses, lunch periods, organized fitness breaks, before- and after-school activity programs, and structured physical education classes. However,…

Background: Despite the numerous physiological, psychological, and academic benefits of physical activity (PA), declines in PA levels among girls have been observed over the last decade. The purpose of this preliminary study was to assess the short-term changes pertaining to Girls on the Run and Girls on Track developmentally focused youth sport…

Objective: Compare parent-reported preschool- and school-aged children's eating and leisure-time activity patterns that are proposed to influence energy balance. Design: Cross-sectional investigation of children, 2 to 12 years, attending a well visit. Setting: Pediatric private practice/ambulatory pediatric clinic. Participants: One hundred…