background: reduced level of physical activity, as an important problem of urbanization and industrial development, has a considerable impact on the population morbidity and mortality. the rate of inactivity has been reported to be 60-85% in adults worldwide. considering the importance of physical activity among youth, the aim of this study was to evaluate the physical activity among university...

background: the purpose of this study was to investigate the association between physical inactivity and academic record in korean adolescents. methods: adolescent students from the first grade of middle school to the third grade of high school (n=75,066) participated in the 5th korea youth risk behavior web-based survey project in 2009. the association between physical inactivity and academic ...

sarcopenia and physical inactivity synergistically progress in patients with chronic kidney disease (ckd) and are strong predictors of mortality in this population. exercise training and essential amino acids and vitamin d supplements may contribute to improving sarcopenia and physical inactivity in ckd patients.

background: screen time (st), including watching television and playing electronic games are the leading cause of a growing obesity epidemic. this study aimed to evaluate st and its association with physical activity, overweight and socioeconomic status (ses) in children 10 to 12 years of age in sanandaj.   methods: this study was designed as a cross-sectional study, which was conducted in sana...