Derksen J C, Van Riel M P, Van Wingerden J P, Snijders C J
Department of Biomedical Physics and Technology, Faculty of Medicine and Allied Health Sciences, Erasmus University Rotterdam, The Netherlands.
Ergonomics. 1994 Feb;37(2):299-309. doi: 10.1080/00140139408963647.
The postures of the trunk of eight parcel sorters were measured continuously under three different working conditions, during whole shifts. The working methods used were two different sorting tables and a hydraulic lifting platform on which the carts were to be placed. The question posed by the PTT-Post occupational health service was whether the latter method proved to be the better one with respect to the load on the musculoskeletal system. This study will help them to make a well-considered decision on which working method to choose for the new distribution centre in Rotterdam. The method used for measuring the working postures and movements of the trunk is the Portable Posture Registration Set (PPRS). This method was developed at the department of Biomedical Physics and Technology of the Erasmus University Rotterdam. While using the lifting platform, the subjects stood 8-11% more erect compared to the work at the sorting tables, thereby reducing the load on the lumbar spine. For this reason the lifting platform is preferred, although sagittal flexion of the back was somewhat more. It is stressed that the way in which sorters use the lifting platform is very important.
在整个轮班期间，连续测量了八名包裹分拣员在三种不同工作条件下的躯干姿势。所使用的工作方法是两种不同的分拣台以及一个用于放置推车的液压升降平台。荷兰邮政职业健康服务部门提出的问题是，就肌肉骨骼系统的负荷而言，后一种方法是否被证明更好。这项研究将帮助他们就是否为鹿特丹的新配送中心选择哪种工作方法做出深思熟虑的决定。用于测量躯干工作姿势和动作的方法是便携式姿势记录装置（PPRS）。该方法由鹿特丹伊拉斯姆斯大学的生物医学物理与技术系开发。使用升降平台时，与在分拣台工作相比，受试者站立时的挺直程度高出8%至11%，从而减轻了腰椎的负荷。因此，尽管背部矢状面屈曲程度略高，但升降平台更受青睐。需要强调的是，分拣员使用升降平台的方式非常重要。
