School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane 4072, Australia.
Recover Injury Research Centre, The University of Queensland, Brisbane 4006, Australia.
Int J Environ Res Public Health. 2019 Apr 18;16(8):1405. doi: 10.3390/ijerph16081405.
While many office workers experience low back pain (LBP), little is known about the effect of prolonged standing on LBP symptoms. This repeated-measures within-subjects study aimed to determine whether office workers with LBP are able to work at a standing workstation for one hour without exacerbating symptoms and whether using a footstool affects LBP severity. Sixteen office workers with LBP performed computer work at a standing workstation for one hour under the following two conditions, one week apart: with a footstool and without a footstool. The intensity of LBP was recorded at 10 min intervals. Maximal severity of LBP pain and change in LBP severity throughout the standing task were not different between the footstool and no footstool conditions ( > 0.26). There was a trend for more participants to have an increase in their pain between the start and end of the task when not using a footstool compared to using a footstool ( = 0.10). Most office workers with LBP are able to use a standing workstation without significant exacerbation of symptoms, but a proportion will experience a clinical meaningful increase in symptoms. Using a footstool does not change the severity of LBP experienced when using a standing workstation in individuals with a history of LBP.
虽然许多上班族会经历下背痛（LBP），但对于长时间站立对 LBP 症状的影响却知之甚少。这项重复测量的自身对照研究旨在确定患有 LBP 的上班族是否能够在站立工作台上连续工作一小时而不会使症状恶化，以及使用脚凳是否会影响 LBP 的严重程度。16 名患有 LBP 的上班族在一周的间隔内，分别在有脚凳和无脚凳两种情况下，在站立工作台上完成一小时的计算机工作。每隔 10 分钟记录一次 LBP 强度。在脚凳和无脚凳两种情况下，LBP 疼痛的最大严重程度和整个站立任务中 LBP 严重程度的变化没有差异（>0.26）。与使用脚凳相比，不使用脚凳时，更多的参与者在任务开始和结束之间疼痛增加（=0.10）。大多数患有 LBP 的上班族可以使用站立工作站而不会使症状明显恶化，但仍有一部分人会出现症状明显加重的情况。对于有 LBP 病史的人来说，使用脚凳并不会改变使用站立工作站时 LBP 的严重程度。
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