期刊
APPLIED ERGONOMICS
卷 54, 期 -, 页码 100-109出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apergo.2015.11.019
关键词
Discomfort; Comfort; In-chair movement; Sitting
资金
- Welsh Assembly Government as part of a Knowledge Exploitation Fund Collaborative Industrial Research Project grant [HE 05 COL 1006]
- Harbin Scientific Innovation Project [2013RFQXJ003]
- Scientific Research Project of Education Department of Heilongjiang Province [12541109, 12541140]
- Natural Science Foundation of Heilongjiang Province [F201421]
This study presents a method for objectively measuring in-chair movement (ICM) that shows correlation with subjective ratings of comfort and discomfort. Employing a cross-over controlled, single blind design, healthy young subjects (n = 21) sat for 18 min on each of the following surfaces: contoured foam, straight foam and wood. Force sensitive resistors attached to the sitting interface measured the relative movements of the subjects during sitting. The purpose of this study was to determine whether ICM could statistically distinguish between each seat material, including two with subtle design differences. In addition, this study investigated methodological considerations, in particular appropriate threshold selection and sitting duration, when analysing objective movement data. ICM appears to be able to statistically distinguish between similar foam surfaces, as long as appropriate ICM thresholds and sufficient sitting durations are present. A relationship between greater ICM and increased discomfort, and lesser ICM and increased comfort was also found. (C) 2016 Published by Elsevier Ltd.
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