Dental Stool Manuscript_v4 revised (accepted).pdf (118.02 kB)
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A dental stool with chest support reduces lower back muscle activation

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journal contribution
posted on 27.04.2016, 09:02 authored by Viet Tran, Reid Turner, Andrew MacFadden, Stephen M. Cornish, Dale EsligerDale Esliger, Kuni Komiyama, Philip D. Chilibeck
Activation of back musculature during work tasks leads to fatigue and potential injury. This is especially prevalent in dentists who perform much of their work from a seated position. We examined the use of an ergonomic dental stool with mid-sternum chest support for reducing lower back muscle activation. Electromyography of lower back extensors was assessed from 30 dental students for 20 s during three conditions in random order: (a) sitting upright at 90° of hip flexion on a standard stool, (b) leaning forward at 80° of hip flexion on a standard stool, and (c) leaning forward at 80° of hip flexion while sitting on an ergonomic stool. Muscular activity of the back extensors was reduced when using the ergonomic stool compared to the standard stool, by 33-50% (p < 0.01). This suggests a potential musculoskeletal benefit with use of a dental stool with mid-sternum chest support.

History

School

  • Sport, Exercise and Health Sciences

Published in

International journal of occupational safety and ergonomics : JOSE

Pages

1 - 4

Citation

TRAN, V. ... et al., 2016. A dental stool with chest support reduces lower back muscle activation. International Journal of Occupational Safety and Ergonomics (JOSE), 2,(3), pp. 301-304.

Publisher

Taylor & Francis (© Central Institute for Labour Protection)

Version

AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2016-04-08

Notes

This is an Accepted Manuscript of an article published by Taylor & Francis in International Journal of Occupational Safety and Ergonomics on 08/04/2016, available online: http://dx.doi.org/10.1080/10803548.2016.1153223.

ISSN

1080-3548

eISSN

2376-9130

Language

en

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