Physical inactivity is a primary contributor to diseases such as obesity, cardiovascular disease, and type 2 diabetes. Accelerometry data suggest that a majority of US adults fail to perform substantial levels of physical activity needed to improve health. Thus, understanding the molecular factors that stimulate physical activity, and physical inactivity, is imperative for the development of st...

UNLABELLED The preschool that children attend has been shown to be a significant but variable predictor of physical activity of 3- to 5-yr-olds, whereas the time outdoors has been found to be a strong correlate of physical activity. Researchers speculate that variations in preschool physical activity may be attributed to variations in preschool policies and practices, including the form and con...

Increased physical activity has been shown to be protective for breast cancer although few studies have examined this association in Black women. In addition, limited evidence to date indicates that sedentary behavior may be an independent risk factor for breast cancer. We examined sedentary behavior and physical activity in relation to subsequent incident breast cancer in a nested case-control...

INTRODUCTION Insufficient physical activity is an established risk factor for numerous chronic diseases and for premature death. Accumulating evidence reveals that prolonged sedentary time is detrimental, independent of the protective effects of physical activity. Although studies have explored correlates of physical activity among ethnic minority populations, few have examined factors related ...

abstract background: attention to different aspects of self‑efficacy leads to actual evaluation of self‑efficacy about physical activity. this study was carried out in order to design and determine psychometric characteristics of a questionnaire for evaluation of self‑efficacy about leisure time physical activity (selpa) among iranian adolescent boys, with an emphasis on regulatory self‑efficac...

background: considering the lack of data available on changes of physical activity over time in iran, this study was designed to evaluate changes in physical activity levels among iranian adults over a median 6.5 yr period. methods: in this population-based cohort study, 3515 participants, aged ≥ 20 yr (2100 females and 1415 males) were followed from phase ii (2002-2005) to phase iv (2008-2011)...

posttraumatic stress disorder (ptsd) occurs following exposure to potentially traumatic experiences such as those regularly encountered by emergency service workers (police, ambulance and firemen/women) and servicemen/women. ptsd is associated with high rates of somatic comorbidities including metabolic syndrome contributing to an excess mortality rate due to preventable cardiovascular diseases...

introduction: more than seventeen millions people die due to cardiovascular diseases which account for one third of death worldwide. half of 60% of all mortality caused by acquired diseases throughout the world is due to heart disorders and this ratio will augment to 73% by 2020. it is known that individual lifestyle has a great influence on the well-being of cardiovascular system. seven of the...

background physical activity (pa) patterns during pregnancy have not been explored in depth and most previous studies lack assessment of variables such as type, frequency, duration and intensity of activity. objectives this study had two goals: 1) to analyze pa patterns during pregnancy according to weekly time spent on different types of activity; and 2) to determine women’s perception about h...