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- W1559480855 abstract "The risk of musculoskeletal and low back pain among 3rd and 6th grade schoolchildren both females and males in private and public schools in Jordan was studied. The percentage of bag weight to body weight (BTSW%) was measured as a risk index. In addition, the effect of carrying a schoolbag for 0, 5 and 10 minutes on Heart Rate (HR) and Blood Pressure (BP) was investigated. The results indicate significant differences of BTSW% between private and public schools, females and males and 3rd grade and 6th grade classes. All schoolchildren included in the study were exposed to risk, since their BTSW% exceeded the recommended limit of 10%, especially females in the 3rd grade in the private school. HR was significanly different between private and public schools and class grades but not between genders. It increased non-linearly by 18 bpm for 5 minutes carriage duration and 24 bpm for 10 minutes. HR regression analysis produced an R2 equal to 0.71 and included carrying duration, class grade and carrying duration interaction and and class grade and school interaction as predictors. HR is proposed as an alternative risk factor, such that if HR increases by more than 15 bpm after carrying the schoolbag for 5 minutes or more than 20 bpm for carrying it for 10 minutes, then the schoolchild is at risk." @default.
- W1559480855 created "2016-06-24" @default.
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- W1559480855 date "2010-08-30" @default.
- W1559480855 modified "2023-09-24" @default.
- W1559480855 title "Musculoskeletal and Low Back Pain among Schoolchildren in Jordan and the Effect of Schoolbag Carriage Duration on Cardiovascular Measures" @default.
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