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Groenesteijn, L. (author), Commissaris, D.A.C.M. (author), van den Berg-Zwetsloot, M. (author), Hiemstra-Van Mastrigt, S. (author)BACKGROUND: Working in an office environment is characterised by physical inactivity and sedentary behaviour. This behaviour contributes to several health risks in the long run. Dynamic workstations which allow people to combine desk activities with physical activity, may contribute to prevention of these health risks. OBJECTIVE: A dynamic...article 2016
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Formanoy, M.A. (author), Dusseldorp, E. (author), Coffeng, J.K. (author), van Mechelen, I. (author), Boot, C.R. (author), Hendriksen, I.J. (author), Tak, E.C. (author)Background: To recover from work stress, a worksite health program aimed at improving physical activity and relaxation may be valuable. However, not every program is effective for all participants, as would be expected within a "one size fits all" approach. The effectiveness of how the program is delivered may differ across individuals. The aim...article 2016
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Eijckelhof, B.H.W. (author), Huysmans, M.A. (author), Blatter, B.M. (author), Leider, P.C. (author), Johnson, P.W. (author), van Dieën, J.H. (author), Dennerlein, J.T. (author), van der Beek, A.J. (author)This field study examined associations between workplace stressors and office workers' computer use patterns. We collected keyboard and mouse activities of 93 office workers (68F, 25M) for approximately two work weeks. Linear regression analyses examined the associations between self-reported effort, reward, overcommitment, and perceived stress...article 2014
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Coffeng, J.K. (author), Boot, C.R.L. (author), Duijts, S.F.A. (author), Twisk, J.W.R. (author), van Mechelen, W. (author), Hendriksen, I.J.M. (author)OBJECTIVE: To investigate the effectiveness of a worksite social and physical environment intervention on need for recovery (i.e., early symptoms of work-related mental and physical fatigue), physical activity and relaxation. Also, the effectiveness of the separate interventions was investigated. METHODS: In this 2×2 factorial design study, 412...article 2014
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Eijckelhof, B.H.W. (author), Bruno Garza, J.L. (author), Huysmans, M.A. (author), Blatter, B.M. (author), Johnson, P.W. (author), van Dieën, J.H. (author), van der Beek, A.J. (author), Dennerlein, J.T. (author)Objective Office workers with high levels of overcommitment and low levels of reward are thought to be more prone to arm-wrist-hand symptoms, possibly through a higher internal physical exposure. The aim of this study was to examine the effects of high overcommitment and low reward on (i) forearm muscle activity, (ii) wrist posture and...article 2013
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de Korte, E.M. (author), Huysmans, M.A. (author), de Jong, A.M. (author), van de Ven, J.G.M. (author), Ruijsendaal, M. (author)This study investigated the effects of non-obtrusive feedback on continuous lifted hand/finger behaviour, task performance and comfort. In an experiment with 24 participants the effects of two visual and two tactile feedback signals were compared to a no-feedback condition in a computer task. Results from the objective measures showed that all...article 2012
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Richter, J.M. (author), van den Heuvel, S.G. (author), Huysmans, M.A. (author), van der Beek, A.J. (author), Blatter, B.M. (author)Objective Epidemiologic studies on physical exposure during computer use have mainly focused on average exposure duration. In this study, we aimed to relate periods of high peak exposure during computer use with the occurrence of neck-shoulder (NS) and arm-wrist-hand (AWH) symptoms. Methods A prospective cohort study among 1951 office workers...article 2012
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IJmker, S. (author), Mikkers, J. (author), Blatter, B.M. (author), van der Beek, A.J. (author), van Mechelen, W. (author), Bongers, P.M. (author), TNO Kwaliteit van Leven (author)Introduction: "Ergonomic" questionnaires are widely used in epidemiological field studies to study the association between workstation characteristics, work posture and musculoskeletal disorders among office workers. Findings have been inconsistent regarding the putative adverse effect of work postures. Underestimation of the true association...article 2008
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van den Heuvel, S.G. (author), van der Beek, A.J. (author), Blatter, B.M. (author), Bongers, P.M. (author), TNO Kwaliteit van Leven (author)Few studies have examined the concepts of workstyle and overcommitment in relation to the occurrence of neck and upper limb symptoms. The aim of this study was to examine whether a high-risk workstyle is a mediator in the relation of work-related exposure (job demands and computer work) and overcommitment to neck and upper limb symptoms. The...article 2007
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IJmker, S. (author), Huysmans, M.A. (author), Blatter, B.M. (author), van der Beek, A.J. (author), van Mechelen, W. (author), Bongers, P.M. (author), TNO Kwaliteit van Leven (author)Worldwide, millions of office workers use a computer. Reports of adverse health effects due to computer use have received considerable media attention. This systematic review summarises the evidence for a relationship between the duration of work time spent using the computer and the incidence of hand-arm and neck-shoulder symptoms and disorders...article 2007
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Vink, P. (author), Porcar-Seder, R. (author), de Pozo, Á.P. (author), Krause, F. (author)To find out how many office workers adjust their chairs, 350 office workers in Spain and the Netherlands are observed and questioned on whether they adjust their chairs. It appears that 24% of 236 Spanish office workers and 61% of 100 Dutch subjects never adjust their chair. If the chair is adjusted, it concerns mostly the seat height. Except...conference paper 2007
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Pronk, A. (author), Preller, L. (author), Raulf-Heimsoth, M. (author), Jonkers, I.C.L. (author), Lammers, J.-W. (author), Wouters, I.M. (author), Doekes, G. (author), Wisnewski, A.V. (author), Heederik, D. (author), TNO Kwaliteit van Leven (author)Rationale: Associations between oligomeric isocyanate exposure, sensitization, and respiratory disease have received little attention, despite the extensive use of isocyanate oligomers. Objectives: To investigate exposure-response relationships of respiratory symptoms and sensitization in a large population occupationally exposed to isocyanate...article 2007
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TNO Kwaliteit van Leven (author), IJmker, S. (author), Blatter, B.M. (author), van der Beek, A.J. (author), van Mechelen, W. (author), Bongers, P.M. (author)Background: This article describes the background and study design of the PROMO study (Prospective Research on Musculoskeletal disorders in Office workers). Few longitudinal studies have been performed to investigate the risk factors responsible for the incidence of hand, arm, shoulder and neck symptoms among office workers, given the...article 2006
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TNO Kwaliteit van Leven (author), van den Heuvel, S.G. (author), J. van der Beek, A. (author), Blatter, B.M. (author), Bongers, P.M. (author)The objective of this study was to examine the influence of physical exposure at work on neck and upper limb symptoms in office workers. Data were used from a prospective cohort study with a follow-up period of 3 years. Independent variables were observed and self-reported physical exposure at work. Outcome measures were neck/shoulder symptoms...conference paper 2006
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TNO Kwaliteit van Leven (author), Blatter, B.M. (author), Leijssen, J. (author), IJmker, S. (author), J. van der Beek, A. (author)The aim of the present study was to investigate the reliability and validity of self-reported duration of computer and mouse use at work. Data of the PROMO project were used, in which an internet questionnaire was administered in about 2000 computer workers. Questions were asked on risk factors in computer work, such as ergonomic and...conference paper 2006
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Proper, K. (author), Hildebrandt, V. (author), van der Beek, A. (author), Green, B.B. (author)Chemicals/CAS: cholesterol, 57-88-5article 2003
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Delleman, N.J. (author), Berndsen, M.B. (author), TNO Technische Menskunde (author)At a VDU workstation professional touch-typing operators worked at eight different combined adjustments of visual target height and chair backrest inclination. Working posture, workers' perceptions and work performance were measured. Two conclusions were drawn. First, in order to minimize the load on the musculoskeletal system for touch-typing...article 2002
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Blatter, B.M. (author), Bongers, P.M. (author)The objectives of this study were to examine the association between work-related upper limb disorders (WRULDs) and duration of computer and mouse use, to investigate differences in these associations between men and women, and to examine whether a possible relationship between duration of computer use and WRULDs was explained by physical or...article 2002
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Vink, P. (author), Douwes, M. (author), van Woensel, W. (author)The effects of a portable back support, the Back-Up, were tested in 28 variables. Both subjective and objective physical load measures were recorded during sitting with and without Back-Up, most of them during VDU work. The main result was that the posture of the upper back and neck/head was improved by the Back-Up. However, the knee straps...article 1994