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BACKGROUND Insufficient participation in physical activity and excessive screen time have been observed among Chinese children. The role of social and environmental factors in shaping physical activity and sedentary behaviors among Chinese children is under-investigated. The purpose of the present study was to assess the reliability and validity of a(More)
This study aimed to examine the reliability and validity of the modified Children's Leisure Activities Study Survey (CLASS) Chinese-version questionnaire in assessing physical activity among Hong Kong Chinese Children. Test-retest reliability was examined in 84 boys and 136 girls aged 9-12 years by comparing data from two administrations of the survey(More)
BACKGROUND Physical activity and sedentary behaviour are important contributors to adolescents' health. These behaviours may be affected by the school and neighbourhood built environments. However, current evidence on such effects is mainly limited to Western countries. The International Physical Activity and the Environment Network (IPEN)-Adolescent study(More)
SIP-NEMO has previously been proposed in the literature as a NEtwork MObility (NEMO) solution. However, the SIP-NEMO handoff delay has been shown to be more than 320 ms, which is intolerable to real-time services. In this paper, we focus on the SIP-NEMO and aim to reduce the handoff delay of SIP-NEMO. We design soft handoff mechanism for SIP-NEMO and(More)
The purpose of the present study was to investigate whether both glycemic index (GI) and fructose content of a pre-exercise meal would affect substrate utilization during subsequent brisk walking. Ten healthy young males completed 60 min of 46% $$ \dot{V}{\text{O}}_{{2\max }} $$ brisk walking 2 h after they consumed one of three breakfasts: a low-GI meal(More)
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