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Heart rate and energy expenditure during garbage collection in Rio de Janeiro, Brazil

机译：巴西里约热内卢垃圾收集过程中的心率和能量消耗

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摘要

Physiological workload is used to estimate the physical demand of tasks in the workforce, but limited information is available for the various work activities in developing countries. Eighty-three randomly selected male workers participated in the present study, aimed at assessing the physiological workload of garbage collection (GC) in Rio de Janeiro, Brazil. Heart rate (HR) was obtained on four consecutive workdays. Energy expenditure (EE) was extrapolated from heart rate data based on individual laboratory-established heart rate/oxygen consumption curve in 70 workers. Mean HR during GC was 104.0 ± 11.7bpm (± SD), representing 56.9 ± 7.5% of maximum heart rate. EE was 1608.3 ± 738.5kcal for an average of 293.1 ± 103.9 minutes of work per day. Based on all measurements, work in garbage collection in Rio de Janeiro can be considered excessively heavy. These data emphasize the need to develop appropriate classification of workload to be used in health-related research and in the development of maximum acceptable work time in association with the physiological workload, particularly in developing countries.
机译：生理工作量用于估计劳动力中任务的物理需求，但是对于发展中国家的各种工作活动而言，可用的信息有限。八十三名随机选择的男性工人参加了本研究，旨在评估巴西里约热内卢垃圾收集（GC）的生理工作量。在连续四个工作日获得心率（HR）。根据独立的实验室建立的70名工人的心率/氧气消耗曲线，从心率数据中推断出能量消耗（EE）。 GC期间的平均HR为104.0±11.7bpm（±SD），占最大心率的56.9±7.5％。 EE为1608.3±738.5kcal，每天平均工作时间为293.1±103.9分钟。根据所有测量，可以认为里约热内卢的垃圾收集工作过于繁重。这些数据强调有必要对工作量进行适当的分类，以用于健康相关研究以及与生理学工作量相关的最大可接受工作时间的发展，特别是在发展中国家。

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