PART/2 控制书包总重量
书包的总重量不应超过孩子体重的10%。例如,一个体重为25kg的孩子,其书包总重量最好不要超过2.5kg。
参考文献
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[2] Justyna D, Sławomir S, Maciej R, et al. Effects of carrying a backpack in an asymmetrical manner on the asymmetries of the trunk and parameters defining lateral flexion of the spine[J]. Human Factors,2015,57(2):218-226.
[3] Abaraogu UO, Ugwa WO, Onwuka E, et al. Effect of single and double backpack strap loading on gait and perceived exertion of young adults[J]. Journal of Back and Musculoskeletal Rehabilitation,2015,29(1):109–115.
[4] 赵赓,王连雷,王宏卫,等.不同负重方式对腰椎生物力学的影响[J].山东大学学报(医学版),2023,61(06):70-78.
[5] 中华人民共和国国家卫生健康委员会——《中小学生书包卫生要求》