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The impact of worki...
The impact of working technique on physical loads - an exposure profile among newspaper editors.
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Lindegård Andersson, Agneta, 1955 (author)
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Wahlström, Jens, 1972 (author)
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- Hagberg, Mats, 1951 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för invärtesmedicin, Avdelningen för internmedicin,Institute of Internal Medicine, Dept of Medicine
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- Hansson, Gert-Åke (author)
- Lund University,Lunds universitet,Avdelningen för arbets- och miljömedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Occupational and Environmental Medicine, Lund University,Department of Laboratory Medicine,Faculty of Medicine
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- Jonsson, Per, 1952 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för invärtesmedicin,Institute of Internal Medicine
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- Wigaeus Tornqvist, Ewa (author)
- Karolinska Institutet
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(creator_code:org_t)
- 2010-11-09
- 2003
- English.
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In: Ergonomics. - : Informa UK Limited. - 0014-0139 .- 1366-5847. ; 46:6, s. 598-615
- Related links:
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http://dx.doi.org/10...
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Abstract
Subject headings
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- The aim of this study was to investigate the possible associations between working technique, sex, symptoms and level of physical load in VDU-work. A study group of 32 employees in the editing department of a daily newspaper answered a questionnaire, about physical working conditions and symptoms from the neck and the upper extremities. Muscular load, wrist positions and computer mouse forces were measured. Working technique was assessed from an observation protocol for computer work. In addition ratings of perceived exertion and overall comfort were collected. The results showed that subjects classified as having a good working technique worked with less muscular load in the forearm (extensor carpi ulnaris p=0.03) and in the trapezius muscle on the mouse operating side (p=0.02) compared to subjects classified as having a poor working technique. Moreover there were no differences in gap frequency (number of episodes when muscle activity is below 2.5% of a reference contraction) or muscular rest (total duration of gaps) between the two working technique groups. Women in this study used more force (mean force p=0.006, peak force p=0.02) expressed as % MVC than the men when operating the computer mouse. No major differences were shown in muscular load, wrist postures, perceived exertion or perceived comfort between men and women or between cases and symptom free subjects. In conclusion a good working technique was associated with reduced muscular load in the forearm muscles and in the trapezius muscle on the mouse operating side. Moreover women used more force (mean force and peak force) than men when operating the click button (left button) of the computer mouse.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Produktionsteknik, arbetsvetenskap och ergonomi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Production Engineering, Human Work Science and Ergonomics (hsv//eng)
Keyword
- Adult
- Arm
- physiology
- Computer Terminals
- Elbow Joint
- physiology
- Environmental Monitoring
- methods
- Female
- Humans
- Journalism
- Lifting
- Male
- Middle Aged
- Muscle
- Skeletal
- physiology
- Musculoskeletal Diseases
- physiopathology
- Neck
- physiology
- Newspapers
- Occupational Exposure
- analysis
- Physical Exertion
- physiology
- Posture
- Reference Values
- Sex Factors
- Task Performance and Analysis
- Weight-Bearing
- physiology
- Wrist Joint
- physiology
- risk factors
- individual
- musculoskeletal disorders
- computer work
- muscular load
Publication and Content Type
- ref (subject category)
- art (subject category)
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