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|Title: ||A dental stool with chest support reduces lower back muscle activation|
|Authors: ||Tran, Viet|
Cornish, Stephen M.
Esliger, Dale W.
Chilibeck, Philip D.
|Issue Date: ||2016|
|Publisher: ||Taylor & Francis (© Central Institute for Labour Protection)|
|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, DOI: 10.1080/10803548.2016.1153223.|
|Abstract: ||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.|
|Description: ||THIS DOCUMENT WILL REMAIN CLOSED ACCESS UNTIL 09/04/2017. 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.|
|Version: ||Accepted for publication|
|Publisher Link: ||http://dx.doi.org/10.1080/10803548.2016.1153223|
|Appears in Collections:||Closed Access (Sport, Exercise and Health Sciences)|
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