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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/12674

Title: The influence of seat backrest angle on human performance during whole-body vibration
Authors: Paddan, G.S.
Holmes, S.R.
Mansfield, Neil J.
Hutchinson, H.
Arrowsmith, C.I.
King, S.K.
Jones, R.J.M.
Rimell, Andrew N.
Keywords: Whole-body vibration
Human performance
Backrest angle
Reaction time
Issue Date: 2012
Publisher: © Taylor & Francis Ltd.
Citation: PADDAN, G.S. ... et al., 2012. The influence of seat backrest angle on human performance during whole-body vibration. Ergonomics, 55 (1), pp. 114 - 128.
Abstract: This study investigated the effects of reclined backrest angles on cognitive and psycho-motor tasks during exposure to vertical whole-body vibration. Twenty participants were each exposed to three test stimuli of vertical vibration: 2–8 Hz; 8–14 Hz and 14–20 Hz, plus a stationary control condition whilst seated on a vibration platform at five backrest angles: 0° (recumbent, supine) to 90° (upright). The vibration magnitude was 2.0 ms−2 root-mean-square. The participants were seated at one of the backrest angles and exposed to each of the three vibration stimuli while performing a tracking and choice reaction time tasks; then they completed the NASA-TLX workload scales. Apart from 22.5° seat backrest angle for the tracking task, backrest angle did not adversely affect the performance during vibration. However, participants required increased effort to maintain performance during vibration relative to the stationary condition. These results suggest that undertaking tasks in an environment with vibration could increase workload and risk earlier onset of fatigue.
Description: This article was published in the journal, Ergonomics [© Taylor & Francis] and the definitive version is available at: http://dx.doi.org/10.1080/00140139.2011.634030
Version: Accepted for publication
DOI: 10.1080/00140139.2011.634030
URI: https://dspace.lboro.ac.uk/2134/12674
Publisher Link: http://dx.doi.org/10.1080/00140139.2011.634030
ISSN: 0014-0139
Appears in Collections:Published Articles (Design School)

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