This research focused on the social concern of college students5 participation in physical exercise and mobile phone dependence.The research model and hypotheses in this study were constructed based on the self-contro...This research focused on the social concern of college students5 participation in physical exercise and mobile phone dependence.The research model and hypotheses in this study were constructed based on the self-control theory and by reviewing previous research.This research distributed questionnaires to 207 college students from a university in Guangzhou,China to obtain relevant data.Mediation analysis was employed to test the four hypotheses drawn from empirical and conceptual research.The results of this research showed that first,the longer the exercise duration of college students,the higher the level of their self-control,thus exercise duration has a significant positive impact on self-control.Second,increasing the exercise duration of college students had no effect on their mobile phone dependence.Third,the higher the level of selfcontrol,the lower the dependence on mobile phones,thus signifying that self-control has significantly negative impact on mobile phone dependence.Fourth,self-control plays a mediating role in the effect of exercise duration on mobile phone dependence.In conclusion,the longer the exercise duration of college students,the higher the level of self-control,in which it is able to significantly reduce the dependence on mobile phones.展开更多
1.Introduction。There is abundant evidence that the amount of habitual physical activity(PA)and the level of cardiorespiratory fitness(CRF)are inversely related to developing chronic diseases,including cardiovascular(...1.Introduction。There is abundant evidence that the amount of habitual physical activity(PA)and the level of cardiorespiratory fitness(CRF)are inversely related to developing chronic diseases,including cardiovascular(CV)disease(CVD).Relative to the CV and all-cause mortality reductions associated with exercise,intensity and duration also appear to be inversely related.For example,the mortality reductions that are associated with a regular 5-min run~a 15-min walk,and a 25-min run~a 105-min walk.1 In addition,at comparable levels of total energy expenditure,vigorous exercise seems to be more effective than moderate-intensity exercise in reducing CV risk.2 Vigorous exercise training is also more effective than moderate intensity training at increasing CRF,expressed as metabolic equivalents or METs,which has been shown to confer a lower risk of mortality.3 Accordingly,the optimal physiologic,clinical,and survival benefits of exercise are most likely to be achieved by progressing from moderate intensity exercise(usually defined as 40%-59%of functional capacity or 55%-69%of the maximal heart rate)to vigorous training regimens,corresponding to≥60%of functional capacity or 70%-89%of the measured maximal heart rate.展开更多
文摘This research focused on the social concern of college students5 participation in physical exercise and mobile phone dependence.The research model and hypotheses in this study were constructed based on the self-control theory and by reviewing previous research.This research distributed questionnaires to 207 college students from a university in Guangzhou,China to obtain relevant data.Mediation analysis was employed to test the four hypotheses drawn from empirical and conceptual research.The results of this research showed that first,the longer the exercise duration of college students,the higher the level of their self-control,thus exercise duration has a significant positive impact on self-control.Second,increasing the exercise duration of college students had no effect on their mobile phone dependence.Third,the higher the level of selfcontrol,the lower the dependence on mobile phones,thus signifying that self-control has significantly negative impact on mobile phone dependence.Fourth,self-control plays a mediating role in the effect of exercise duration on mobile phone dependence.In conclusion,the longer the exercise duration of college students,the higher the level of self-control,in which it is able to significantly reduce the dependence on mobile phones.
文摘1.Introduction。There is abundant evidence that the amount of habitual physical activity(PA)and the level of cardiorespiratory fitness(CRF)are inversely related to developing chronic diseases,including cardiovascular(CV)disease(CVD).Relative to the CV and all-cause mortality reductions associated with exercise,intensity and duration also appear to be inversely related.For example,the mortality reductions that are associated with a regular 5-min run~a 15-min walk,and a 25-min run~a 105-min walk.1 In addition,at comparable levels of total energy expenditure,vigorous exercise seems to be more effective than moderate-intensity exercise in reducing CV risk.2 Vigorous exercise training is also more effective than moderate intensity training at increasing CRF,expressed as metabolic equivalents or METs,which has been shown to confer a lower risk of mortality.3 Accordingly,the optimal physiologic,clinical,and survival benefits of exercise are most likely to be achieved by progressing from moderate intensity exercise(usually defined as 40%-59%of functional capacity or 55%-69%of the maximal heart rate)to vigorous training regimens,corresponding to≥60%of functional capacity or 70%-89%of the measured maximal heart rate.
