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 ...

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...

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.

‘Sedentary activity’ constitutes an oxymoron. ‘Inactivity’ is a more appropriate term to describe the time spent in sedentary behaviours. Inactivity can be defined as a state in which bodily movement is minimal. In terms of energy expenditure, inactivity represents a state or behaviour for which energy expenditure approximates resting metabolic rate. However, the study of inactivity as a behavi...