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首页> 外文会议>17th World Congress on Ergonomics(第十七届国际人类工效学大会）论文集 >ITKids: How children’s postural variation differs from adults when using different information and communication technologies
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ITKids: How children’s postural variation differs from adults when using different information and communication technologies

机译：ITKids：当使用不同的信息和通信技术时，儿童的姿势变化与成年人有何不同

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Background: Information and communication technologies (ICT), including computers, play an important role in the daily lives of adults and schoolchildren. Computer use is associated with an increased risk of musculoskeletal disorders (MSD) among workers, but less is known about the risks among school children. Lack of postural variation has been proposed as a potential risk factor for MSDs during ICT use. Objective: Compare the upper body postures and postural variation between school children and adults when performing tasks using paper-based (Old) ICT, electronics-based (New) ICT and tasks in which no ICT is used (Non). Method: Direct measurements of head, trunk and arm postures of adult office workers (n=24) and school children (n=9) were taken continuously for up to 12h on one day in their natural environments. Simultaneous observations of the tasks performed and ICT used were documented and matched to the postural data. Variation of postures were determined using two indices (APDF(90-10)) and EVA(sd)). Non-parametric analyses (Mann-Whitney U Test) determined whether differences in mean postures and postural variation between the adults and children were significant Results: Mean postures: During Old ICT tasks children's mean arm abduction, arm flexion and arm elevation were greater compared to adults. During New ICT tasks, children's mean arm elevation was greater than the adults, and children had more neutral head postures than the adults. There was no difference in mean trunk flexion or lateral bending between adults and children for any ICT type. Postural variation: Children had greater variation of arm postures than adults during different ICT tasks using both variation indices. Children had more variable head flexion than adults during Old ICT tasks using the EVA(sd) index, and children's range of head lateral bending was greater than adults during all ICT types using the APDF(90-10) index. Children had more variable trunk flexion than adults when using Old and New ICT and more variable lateral flexion during old ICT tasks, as determined by both variation indices. Conclusion: Children's arm and trunk postures were less neutral than the adults when using paper-based Old ICT and electronics-based New ICT which may be associated with furniture at school and at home that was poorly matched to the anthropometrics of the children. However, more variable arm, head and trunk postures among the children may mitigate possible risks of musculoskeletal discomfort.
机译：背景：包括计算机在内的信息和通信技术（ICT）在成人和学童的日常生活中起着重要作用。使用计算机与工人中肌肉骨骼疾病（MSD）的风险增加相关，但对学龄儿童中风险的了解却很少。缺乏姿势变化被认为是使用ICT期间MSD的潜在危险因素。目的：比较使用纸质（旧）ICT，电子技术（新）ICT和不使用ICT的任务时（非）的学龄儿童与成人的上半身姿势和姿势变化。方法：在自然环境中，每天连续测量长达12小时的成年上班族（n = 24）和小学生（n = 9）的头，躯干和手臂姿势。同时记录了所执行任务和使用ICT的情况，并与姿势数据相匹配。使用两个指标（APDF（90-10）和EVA（sd））确定姿势的变化。非参数分析（Mann-Whitney U检验）确定成年人和儿童之间平均姿势和姿势变化的差异是否显着。结果：平均姿势：在ICT作业中，儿童的平均手臂外展，手臂弯曲和手臂抬高比大人。在执行新的ICT任务期间，儿童的平均手臂抬高幅度要比成年人高，并且儿童的头部姿势要比成年人高。对于任何ICT类型，成人和儿童之间的平均躯干屈曲或侧向弯曲没有差异。姿势变化：在使用两种变化指标的不同ICT任务中，儿童的手臂姿势变化均比成人大。在使用EVA（sd）指数的旧ICT任务中，儿童的头部屈伸可变性高于成人，在使用APDF（90-10）指数的所有ICT类型中，儿童的头部侧弯幅度都大于成年人。由两个变异指数确定，在使用旧的和新的ICT时，儿童的躯干屈曲比成人更多，而在旧的ICT任务中，孩子的侧屈则更大。结论：当使用纸质的旧式ICT和电子式的新式ICT时，儿童的手臂和躯干姿势不如成年人那么中性，这可能与学校和家庭中的家具有关，与儿童的人体测量学不太匹配。但是，儿童中手臂，头部和躯干姿势的变化较大，可能会减轻肌肉骨骼不适的可能风险。

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  • 会议地点 Beijing(CN);Beijing(CN)
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    M.Ciccarelli; L.Straker; SE Mathiassen; C.Pollock;

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    Centre for Research into Disability and Society School of Occupational Therapy and Social Work Curtin University of Technology Perth Australia Curtin Health Innovation Research Institute Perth Australia;

    School of Physiotherapy Curtin University of Technology Perth Australia Curtin Health Innovation Research Institute Perth Australia;

    Centre for Musculoskeletal Research University of G(a)vle Sweden;

    School of Psychology Curtin University of Technology Perth Australia Curtin Health Innovation Research Institute Perth Australia;

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