Influence of different stool types on muscle activity and lumbar posture among dentists during a simulated dental screening task
Journal article
Authors | De Bruyne, Mieke A.A., Van Renterghem, Benedikt, Palmans, Tanneke, Danneels, Lieven, Dolphens, Mieke and Baird, Andrew |
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Abstract | Whereas in the past dental stools typically facilitated a 90° hip angle, a number of currently available alternative designs allow for a more extended hip posture. The present study investigated the influence of different stool types on muscle activity and lumbar posture. Twenty five participants completed a simulated dental procedure on a standard stool, a saddle and the Ghopec. The latter stool comprises a seat pan consisting of a horizontal rear part for the pelvis and an inclinable sloping down front part for the upper legs, with a vertically and horizontally adjustable back rest. Lumbar posture was most close to neutral on the Ghopec, whereas sitting on a standard/saddle stool resulted in more flexed/extended postures respectively. Sitting with a 90° angle (standard stool) resulted in higher activation of back muscles while sitting with a 125° angle (saddle and Ghopec) activated abdominal muscles more, although less in the presence of a backrest (Ghopec). To maintain neutral posture during dental screening, the Ghopec is considered the most suitable design for the tasks undertaken. |
Keywords | Dental ergonomics; Posture; Muscle activity |
Year | 2016 |
Journal | Applied Ergonomics |
Publisher | Elsevier |
ISSN | 00036870 |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.apergo.2016.02.014 |
Web address (URL) | http://hdl.handle.net/10545/621165 |
http://creativecommons.org/licenses/by-nc-nd/4.0/ | |
hdl:10545/621165 | |
Publication dates | 11 Mar 2016 |
Publication process dates | |
Deposited | 15 Dec 2016, 09:49 |
Accepted | 26 Feb 2016 |
Rights | Archived with thanks to Applied Ergonomics |
Contributors | University of Derby |
File | |
File | File Access Level Open |
File | File Access Level Open |
https://repository.derby.ac.uk/item/932wx/influence-of-different-stool-types-on-muscle-activity-and-lumbar-posture-among-dentists-during-a-simulated-dental-screening-task
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