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Hemphälä, Hillevi
Publications (10 of 10) Show all publications
Hemphälä, H. & Eklund, J. (2012). A visual ergonomics intervention in mail sorting facilities: Effects on eyes, muscles and productivity. Applied Ergonomics, 43(1), 217-229
Open this publication in new window or tab >>A visual ergonomics intervention in mail sorting facilities: Effects on eyes, muscles and productivity
2012 (English)In: Applied Ergonomics, ISSN 0003-6870, E-ISSN 1872-9126, Vol. 43, no 1, p. 217-229Article in journal (Refereed) Published
Abstract [en]

Visual requirements are high when sorting mail. The purpose of this visual ergonomics intervention study was to evaluate the visual environment in mail sorting facilities and to explore opportunities for improving the work situation by reducing visual strain, improving the visual work environment and reducing mail sorting time. Twenty-seven postmen/women participated in a pre-intervention study, which included questionnaires on their experiences of light, visual ergonomics, health, and musculoskeletal symptoms. Measurements of lighting conditions and productivity were also performed along with eye examinations of the postmen/women. The results from the pre-intervention study showed that the postmen/women who suffered from eyestrain had a higher prevalence of musculoskeletal disorders (MSD) and sorted slower, than those without eyestrain. Illuminance and illuminance uniformity improved as a result of the intervention. The two post-intervention follow-ups showed a higher prevalence of MSD among the postmen/women with eyestrain than among those without. The previous differences in sorting time for employees with and without eyestrain disappeared. After the intervention, the postmen/women felt better in general, experienced less work induced stress, and considered that the total general lighting had improved. The most pronounced decreases in eyestrain, MSD, and mail sorting time were seen among the younger participants of the group. (C) 2011 Elsevier Ltd and The Ergonomics Society. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2012
Keywords
Lighting; Postmen; Sorting; Illuminance; MSD; Vision; Eyestrain
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-86572 (URN)10.1016/j.apergo.2011.05.006 (DOI)000295445700024 ()
Available from: 2012-12-19 Created: 2012-12-19 Last updated: 2017-12-06Bibliographically approved
Hemphälä, H., Kihlstedt, A. & Eklund, J. (2010). Vision ergonomics at recycling centres. Applied Ergonomics, 41(3), 368-375
Open this publication in new window or tab >>Vision ergonomics at recycling centres
2010 (English)In: Applied Ergonomics, ISSN 0003-6870, E-ISSN 1872-9126, Vol. 41, no 3, p. 368-375Article in journal (Refereed) Published
Abstract [en]

All municipalities in Sweden offer their inhabitants a service for disposing of large-size and hazardous waste at local recycling centres. Opening hours at these centres include hours of darkness. The aims of this study were to 1) describe user and employee experiences of lighting and signs at Swedish recycling centres, 2) measure and assess the lighting system at the two recently built recycling centres in Linkoping and to assess the legibility and visibility of the signs used and 3) propose recommendations regarding lighting and signs for recycling centres. Interviews and questionnaires were used to assess experiences of employees and users, and light measurements were performed. By observing users, activities with different visual demands at different areas within the recycling centres were identified. Based on the literature, standards and stakeholder experiences, recommendations regarding lighting systems and sign design, illuminance, luminance and uniformity are proposed for recycling centres.

Place, publisher, year, edition, pages
Elsevier, 2010
Keywords
Illuminance, Light recommendations, Lighting systems, Signs, Safety
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-54623 (URN)10.1016/j.apergo.2009.06.010 (DOI)000275340700006 ()
Available from: 2010-03-26 Created: 2010-03-26 Last updated: 2017-12-12Bibliographically approved
Hemphälä, H. (2008). A lighting intervention for postmen – Effects on eyestrain, MSD, and productivity. Applied Ergonomics
Open this publication in new window or tab >>A lighting intervention for postmen – Effects on eyestrain, MSD, and productivity
2008 (English)In: Applied Ergonomics, ISSN 0003-6870, E-ISSN 1872-9126Article in journal (Refereed) Submitted
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-13081 (URN)
Available from: 2008-03-20 Created: 2008-03-20 Last updated: 2017-12-13
Hemphälä, H. (2008). Det fullskaliga försöket. In: Forskarroller i interaktivt utvecklingsarbete: Om samverkansprocesser för ergonomiska förbättringar, Gunnela Westlander (red.) (pp. 41-55). Linköping, Sverige: Avdelningen för industriell arbetsvetenskap, Institutionen för ekonomisk och industriell utveckling, Linköpngs universitet
Open this publication in new window or tab >>Det fullskaliga försöket
2008 (Swedish)In: Forskarroller i interaktivt utvecklingsarbete: Om samverkansprocesser för ergonomiska förbättringar, Gunnela Westlander (red.), Linköping, Sverige: Avdelningen för industriell arbetsvetenskap, Institutionen för ekonomisk och industriell utveckling, Linköpngs universitet , 2008, p. 41-55Chapter in book (Other academic)
Abstract [sv]

I föregående kapitel nämndes Roger Wiboms förslag till Posten att göra ett fullskaligt försök i kontorsmiljö. Syftet skulle vara att kunna jämföra gammal och ny utrustning för belysning och märkning med en metod för en före- och eftermätning. Posten föll för förslaget. Det gällde att hitta en lämplig försöksledare. Valet föll på Hillevi Hemphälä.

Hillevi hade viss kännedom om brevbärararbetet. Femton år tidigare hade hon jobbat extra vid Posten i Lund under jultid. Vid tidpunkten för försöket var allt arbete samlat till en enda lokal i Lunds kommun. Hillevi blev försöksledare för det fullskaliga försöket.

I detta kapitel ges först en beskrivning hur Hillevi Hemphälä upplevde att leda och genomföra en synergonomisk fältstudie, det fullskaliga försöket, som hade planerats för att undersöka effekterna av ny märkning och ny belysning vid kamfacken på brevbärarnas arbetsplatser. Därefter följer ett utdrag ur den forskningsrapportering som blev resultatet.

Place, publisher, year, edition, pages
Linköping, Sverige: Avdelningen för industriell arbetsvetenskap, Institutionen för ekonomisk och industriell utveckling, Linköpngs universitet, 2008
National Category
Peace and Conflict Studies Other Social Sciences not elsewhere specified
Identifiers
urn:nbn:se:liu:diva-16448 (URN)978-91-7393-865-5 (ISBN)
Available from: 2009-01-27 Created: 2009-01-27 Last updated: 2025-02-20Bibliographically approved
Hemphälä, H. (2008). En god visuell arbetsmiljö: ögonbesvär, muskuloskeletala besvär och produktivitet hos brevbärare. (Licentiate dissertation). Institutionen för ekonomisk och industriell utveckling
Open this publication in new window or tab >>En god visuell arbetsmiljö: ögonbesvär, muskuloskeletala besvär och produktivitet hos brevbärare
2008 (Swedish)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

This study appears to be one of few intervention studies with focus on eyestrain and lighting on non-computer workplaces. Previous studies have shown strong connections between eyestrain and musculoskeletal strain. The eyes “lead the body” and if the picture on the retina is unfocused the body adjusts the posture, trying to improve the image through changing the viewing distance. This can lead to an unnatural body posture which can contribute in the development of musculoskeletal disorders.

A good visual environment with proper illuminance, good luminance contrast relationship, good uniformity value of the illuminance and no glare are the best conditions in order to function well at a visually demanding work. Sorting mail is a task that needs good visual ergonomics and can therefore be improved by a change in the visual environment.

The overall purpose of this thesis is to investigate if a good visual environment have an impact on eyestrain, musculoskeletal strain, productivity, wellbeing, and work induced stress.

This thesis is based on a literature review and a lighting intervention, with one part before the intervention and two follow-up parts, summer and winter. The results are based on objectively measurements; lighting, time studies, and optometric eye examinations, and two questionnaires. The first questionnaire concerned visual ergonomics and the second had a focus on wellbeing and experience of work related tasks.

The postmen experienced the new lighting and labeling as improvement. A small decrease in the amount of eyestrain was present, and the younger postmen had a decrease of the musculoskeletal strain. The postmen with eyestrain got a small improvement of the sorting time. When the lighting was improved another factor that could cause strain appeared, the need for good correction in their glasses was identified as the main remaining factor that could cause the observed strain.

Place, publisher, year, edition, pages
Institutionen för ekonomisk och industriell utveckling, 2008. p. 61
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1350
Keywords
Eyestrain, lighting, non-computer workplaces, musculoskeletal disorders, visual environment, younger postmen
National Category
Production Engineering, Human Work Science and Ergonomics
Identifiers
urn:nbn:se:liu:diva-11383 (URN)978-91-7393-962-1 (ISBN)
Presentation
2008-03-12, A35, Hus A, Campus Valla, Linköpings universitet, Linköping, 10:15 (English)
Opponent
Supervisors
Note

Report code: LiU-Tek-Lic-2008:8.

Available from: 2008-03-20 Created: 2008-03-20 Last updated: 2020-03-29
Hemphälä, H. (2007). Synergonomi vid postsortering.
Open this publication in new window or tab >>Synergonomi vid postsortering
2007 (Swedish)Report (Other academic)
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-40816 (URN)54219 (Local ID)54219 (Archive number)54219 (OAI)
Available from: 2009-10-10 Created: 2009-10-10
Hemphälä, H., Eklund, J. & Kihlstedt, A. (2007). Vision Ergonomics and Lighting System at Recycling Centres. In: xx,2007.
Open this publication in new window or tab >>Vision Ergonomics and Lighting System at Recycling Centres
2007 (English)In: xx,2007, 2007Conference paper, Published paper (Other academic)
Abstract [en]

   

National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-40821 (URN)54233 (Local ID)54233 (Archive number)54233 (OAI)
Available from: 2009-10-10 Created: 2009-10-10
Hemphälä, H. (2007). Vision Ergonomics when Sorting the Mail.
Open this publication in new window or tab >>Vision Ergonomics when Sorting the Mail
2007 (English)Report (Other academic)
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-40817 (URN)54220 (Local ID)54220 (Archive number)54220 (OAI)
Available from: 2009-10-10 Created: 2009-10-10
Hemphälä, H. (2006). Vision ergonomics when sorting the mail. In: The 16th World Congress on Ergonomics, International Ergonomics Association, IEA, July, Maastricht, The Netherlands: .
Open this publication in new window or tab >>Vision ergonomics when sorting the mail
2006 (English)In: The 16th World Congress on Ergonomics, International Ergonomics Association, IEA, July, Maastricht, The Netherlands, 2006Conference paper, Published paper (Refereed)
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-13080 (URN)
Available from: 2008-03-20 Created: 2008-03-20
Hemphälä, H. (2005). Synergonomi vid postsortering. In: Proceedings of the 37th Annual Conference of the Nordic Ergonomics Society, NES, October, Oslo, Norway: .
Open this publication in new window or tab >>Synergonomi vid postsortering
2005 (English)In: Proceedings of the 37th Annual Conference of the Nordic Ergonomics Society, NES, October, Oslo, Norway, 2005Conference paper, Published paper (Other academic)
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-13079 (URN)
Available from: 2008-03-20 Created: 2008-03-20
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