Effects of differences in office chair controls, seat and backrest angle design in relation to tasks

Groenesteijn, Liesbeth; Vink, P.; Looze, Michiel de; Krause, Frank

doi:10.1016/j.apergo.2008.11.011

Cited by 78 publications

(41 citation statements)

References 23 publications

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“…In theory, a difference in discomfort found in several of the 318 studies (e.g. [11,12]) may be attributed to the way the measurement of discomfort was performed. For instance, the possibility is that a "new situation" recorded in the morning is the "old situation" recorded in the afternoon.…”

Section: Topics Related To Discomfort (N=318) Percentagementioning

confidence: 99%

“…Many studies use discomfort recordings to check the effect of an intervention [10][11][12]. For instance, Groenesteijn et al [11] used questionnaires on local postural discomfort to determine the difference in experience between two chairs.…”

Section: Introductionmentioning

confidence: 99%

“…For instance, Groenesteijn et al [11] used questionnaires on local postural discomfort to determine the difference in experience between two chairs. Reducing discomfort is not a luxury.…”

Section: Introductionmentioning

confidence: 99%

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Patterns of Discomfort

Bazley¹,

Nugent²,

Vink³

2015

J Ergonomics

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A review of literature on comfort and discomfort indicates an increase in physical discomfort during the workday. In this paper, three different types of occupations were studied to identify whether a similar discomfort pattern exists in these occupations while participants perform work throughout the work day and workweek. Results are that sedentary and labor intensive occupations show an increase in physical discomfort throughout the workday. In addition, during the workweek, each occupation had a peak discomfort day and all occupations experienced a reduction of discomfort at the end of the last day of the workweek. Acknowledging and understanding why, when, and where discomfort peaks occur could assist in varying task scheduling to improve job performance. Future research should include emotional and psychological discomfort assessments, investigation of effects of age, time of year, and location in the world are warranted.

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Section: Topics Related To Discomfort (N=318) Percentagementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Patterns of Discomfort

Bazley¹,

Nugent²,

Vink³

2015

J Ergonomics

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“…The effects of lighting have been studied within learning settings (Winterbottom and Wilkins 2009) Comfort has also received limited attention with studies noting the potential inflexibility of seating affecting learning within the space (Rowley 2002), ergonomic studies investigating seating design and levels of comfort for students (Li et al 2010) and offices (Groenesteijn et al 2009).…”

Section: Educational Environmental Researchmentioning

confidence: 99%

Eduscape: The effects of servicescapes and emotions in academic learning environments

Wells

Daunt

2015

Journal of Further and Higher Education

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. (2016) 'Eduscape : the eects of servicescapes and emotions in academic learning environments.', Journal of further and higher education., 40 (4). pp. 486-508. Further information on publisher's website: Additional information:Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. EDUSCAPE: THE EFFECTS OF SERVICESCAPES AND EMOTIONS IN ACADEMIC LEARNING ENVIRONMENTS AbstractConceptual and empirical studies on the impact of physical environments in educational settings are lacking. In comparison, consumption environments research has a rich history.In this paper we bring together these two research streams to develop (Study One) and test

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“…Rani (2004) pointed out that when a worker reclines the backrest, his hands and head move backward or descend from the work stand, which makes it difficult for him/her to continuously work. Groenesteijn et al (2009) This study aims to develop an office chair in order to increase the use rate of the backrest in computing work. By designing tilting motion so that upright and reclining postures can be repeatedly changed during work, this study intends to enhance the use frequency of the backrest.…”

Section: J Ergon Soc Koreamentioning

confidence: 99%

Development of Tilting Chair for Maintaining Working Position at Reclined Posture

Hyeong¹,

Roh²,

Park³

et al. 2014

Journal of the Ergonomics Society of Korea

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Objectiv e: The aim of this study is to develop an office chair enabling to keep working at reclined sitting posture.Background: Sedentary workers are supposed to change the posture frequently during long hours of sitting. A reclined sitting position has been recommended to reduce disc pressure. But slumped sitting posture caused by the buttock sliding forward without any adjustment of back reclining is commonly observed. The worker seems to have tendency to change the sitting posture maintaining working condition. We assumed the reason to be their hands movement away from the working space when tilting backward.Method: Slide mechanism allowing seat to move forward was designed to maintain the hand position in working space during reclining. A prototype was manufactured and tilting motion was analyzed using motion capture system. Four experiment chairs were tested including the manufactured prototype chair and three other commercial chairs.Results: A backward movements of the hand position were 13.0mm, 101.7mm, 156.1mm and 139.3mm at the prototype chair, compared to chair B, chair C and chair D, respectively. And the movement was remarkably small at the prototype chair. Conclusion:The developed seat sliding chair allows back tilting maintaining hand position at working space. We expect the user tilting back more often than normal tilting chair during seated work. But further investigation is required to figure out the effectiveness of the developed chair using prolonged working hours. Application:The developed office chair directly affects commercialization.

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Effects of differences in office chair controls, seat and backrest angle design in relation to tasks

Cited by 78 publications

References 23 publications

Patterns of Discomfort

Patterns of Discomfort

Eduscape: The effects of servicescapes and emotions in academic learning environments

Development of Tilting Chair for Maintaining Working Position at Reclined Posture

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