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Revista Ciencias de la Salud
Print version ISSN 1692-7273
Abstract
MARADEI G, María Fernanda; AVILA VARGAS, Juliana and GALINDO ESTUPINAN, Zuli Tatiana. Decreased Discomfort in Prolonged Use of Dynamic Chairs. Rev. Cienc. Salud [online]. 2016, vol.14, n.spe, pp.81-96. ISSN 1692-7273. https://doi.org/10.12804/revsalud14.especial.2016.06.
The increase in the amount of office workers, has led to an increase on the continuous time they expend in a sitting posture. Hence, this working situation has been investigated to understand pain or discomfort manifestations under this postural demand. Objective: to compare the basal data of discomfort perception due to back pain with those related to the extended use of chairs, when there is presence (or absence) of seat tilt variations. Materials and methods: the study involved a group of ten office workers. This subjects used a typical office chair (SB chair) or a modified one (CB chair) when they were at work. Then, there was a monthly evaluation of the discomfort using a Visual Analog Scale, during an eight months survey time. Data was descriptively analyzed using statistical methods, depending on the distribution of each data set. Results: revealed potential advantage of CB chair over the SB chair, considering the average comparison of discomfort in the lumbar region (p=0,04). In addition, workers receiving office ergonomic intervention reduced their daily discomfort during the monitored period, compared with the control group. Conclusion: dynamic and continuous variations of seat tilt during long periods of time have a positive influence in reducing the perception of discomfort in office workers.
Keywords : lumbar pain; chair; office; seat tilt.