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Effect of an intervention addressing working technique on the biomechanical load of the neck and shoulders among hairdressers

Veiersted, Kaj Bo ; Schulerud Gould, Kristian ; Østerås, Nina and Hansson, Gert-Åke LU (2008) In Applied Ergonomics 39(2). p.183-190
Abstract
The purpose of this study was to describe, and analyse the effect of an intervention on, the biomechanical workload in the neck and shoulder region of female hairdressers.



Arm elevation was measured by inclinometers and muscular load of m. trapezius by electromyography. The intervention comprised working technique recommendations, e.g. to work with less elevated arms and more relaxed muscles. The subjects were randomised between two different intensity levels of the intervention, one with written information only and the other with additional personal follow-up. The effect of the intervention was evaluated after 1–2 months.



The hairdressers worked with their arms elevated 60° or more for approximately... (More)
The purpose of this study was to describe, and analyse the effect of an intervention on, the biomechanical workload in the neck and shoulder region of female hairdressers.



Arm elevation was measured by inclinometers and muscular load of m. trapezius by electromyography. The intervention comprised working technique recommendations, e.g. to work with less elevated arms and more relaxed muscles. The subjects were randomised between two different intensity levels of the intervention, one with written information only and the other with additional personal follow-up. The effect of the intervention was evaluated after 1–2 months.



The hairdressers worked with their arms elevated 60° or more for approximately 13% of the total working time and 16% during the specific hairdressing tasks. The intervention group including personal follow-up instructions had a reduction in workload from 4.0% to 2.5% of hairdressing time with highly elevated right upper arm, i.e. above 90°. No effect was detected on muscular load or neck and shoulder symptoms after the intervention. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Biomechanical workload, Intervention, Hairdressers
in
Applied Ergonomics
volume
39
issue
2
pages
183 - 190
publisher
Elsevier
external identifiers
  • wos:000253238300007
  • scopus:36849048220
  • pmid:17678613
ISSN
1872-9126
DOI
10.1016/j.apergo.2007.05.007
language
English
LU publication?
yes
id
7ed3110f-6d9b-4816-86e2-73a0fd98e669 (old id 1144055)
date added to LUP
2016-04-04 11:09:43
date last changed
2022-04-24 00:08:50
@article{7ed3110f-6d9b-4816-86e2-73a0fd98e669,
  abstract     = {{The purpose of this study was to describe, and analyse the effect of an intervention on, the biomechanical workload in the neck and shoulder region of female hairdressers.<br/><br>
<br/><br>
Arm elevation was measured by inclinometers and muscular load of m. trapezius by electromyography. The intervention comprised working technique recommendations, e.g. to work with less elevated arms and more relaxed muscles. The subjects were randomised between two different intensity levels of the intervention, one with written information only and the other with additional personal follow-up. The effect of the intervention was evaluated after 1–2 months.<br/><br>
<br/><br>
The hairdressers worked with their arms elevated 60° or more for approximately 13% of the total working time and 16% during the specific hairdressing tasks. The intervention group including personal follow-up instructions had a reduction in workload from 4.0% to 2.5% of hairdressing time with highly elevated right upper arm, i.e. above 90°. No effect was detected on muscular load or neck and shoulder symptoms after the intervention.}},
  author       = {{Veiersted, Kaj Bo and Schulerud Gould, Kristian and Østerås, Nina and Hansson, Gert-Åke}},
  issn         = {{1872-9126}},
  keywords     = {{Biomechanical workload; Intervention; Hairdressers}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{183--190}},
  publisher    = {{Elsevier}},
  series       = {{Applied Ergonomics}},
  title        = {{Effect of an intervention addressing working technique on the biomechanical load of the neck and shoulders among hairdressers}},
  url          = {{http://dx.doi.org/10.1016/j.apergo.2007.05.007}},
  doi          = {{10.1016/j.apergo.2007.05.007}},
  volume       = {{39}},
  year         = {{2008}},
}