Ergonomics in the development division

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Ergonomics in the development area Henk van der Molen, Judith Sluiter, Monique Frings-Dresen email: h.f.vandermolen@amc.nl j.sluiter@amc.uva.nl m.frings@amc.uva.nl Coronel Institute of Occupational Health, Academic Medical Center, Amsterdam, The Netherlands Arbouw, Health & Safety Institute in the Construction Industry, Amsterdam, The Netherlands

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Coronel Institute of Occupational Health Department of the Academic Medical Center (AMC) Samuel Coronel (Sr) (1827-1892): one of the first to relate living conditions on wellbeing Coronel Institute: Largest college construct focus in light of word related wellbeing in the Netherlands ( ± 80 partners) Netherlands Center for Occupational Diseases Research Center for Insurance Medicine Out-patient Clinic People and Work

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Knowledge & Service establishment for Dutch industry segment Working conditions & handicap for work Board of managers & representative associations Collectively financed Organization: Research & Development Contract with Occupational Health & Safety administrations Facilitative towards segment, e.g. instruments Arbouw

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What works!? (cases of studies)

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What works!? (1)_ Cochrane audit Effectiveness of mediations to counteract word related wounds among specialists at development locales Systematic writing survey 7522 references N = 5 examines with time arrangement Meta examination (van der Molen et al 2007, Lehtola et al. acknowledged 2008 )

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Implications on premise of orderly survey No proof that enactment alone is powerful to reduce wounds Additional techniques important to expand consistence bosses and laborers to measures endorsed by enactment Multifaceted and proceeding with intercessions appear to be viable for decreasing wounds (like wellbeing effort and medication free work environment program) Influencing security culture and implementation/input vital components of these mediations

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What works!? (2) _ specialized gadgets Effect of altering working stature materials & motorization of transport on work requests Controlled field concentrate; ongoing perceptions N = 10 bricklayers, 10 collaborators

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Results regarding day exposures: bricklayers: recurrence trunk flexion > 60 º : 79% (920 times) term trunk flexion > 60º : 52% (42 minutes) partners: recurrence trunk flexion > 60º : 94% (474 times) span trunk flexion > 60º : 92% (25 minutes) mmh objects > 4 kg : 86% (1326 times)

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Effect square weight on: Compression drive on low back? Conditions 6, 11, 14 (2 sorts) en 16 kg N=9 blocklayers Most requesting exercises (based on field think about) Measurements Direct estimation Biomechanical demonstrating What works!? (3)_lower weight (Faber et al. 2007 & Kuijer et al. 2007)

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What works!? (4) _ paver's trolley Effect of paver's trolley on efficiency, undertaking requests, inconvenience Controlled field ponder; perceptions and surveys N = 10 paviours (Kunst et al. 2007)

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RESULTS With paver's trolley Working on knees (moving) : 141 min. Without paver's trolley Working on knees (crowling) : 146 min. No distinctions in: efficiency vigorous workload nearby distress

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What works!? (5) _ergonomic measures Effect of utilization of ergonomic measures on musculoskeletal grievances Cohort think about: 4.5 years Questionnaires: 2 times (pre-post) N= 1,114 craftsmen, bricklayers and pavers (van der Molen, Sluiter & Frings-Dresen 2007; in press

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6 ergonomic measures woodworkers bricklayers pavers Lifting helps Mechanical transport Bricks on rise Mechanical transport Mechanical clearing Mechanical kerbs putting

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Results: essential anticipation Over a 4.5 years term: 17.3% rate of low back protestations Frequent utilization of ergonomic measures is connected with a non-huge 15% diminishment of the hazard on reported routinely or managed low back grumblings 'Number expected to treat': 38 development laborers who are consistently utilizing ergonomic measures to avert 1 development specialist with low back dissensions

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Results: optional avoidance More utilization of hoisted tubs is identified with lessened low back objections after some time

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What works!? (5a)_Actor investigation Assocation between behavioral change and utilization of ergonomic measures Cross sectional study Structered interviews N=42; Employers as conduct ecological specialists Workers as conduct individual operators

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E = managers; W = laborers; An I: organizations

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Results Overall: - Strength of relationship between utilization of ergonomic measures and behavioral change stages contrasts between ergonomic measures actor gatherings of bosses and specialists - Significant positive relationship between utilization of ergonomic measures and behavioral change stages

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What works!? (6)_Product advancement Design and improvement of new apparatuses Awkard stances and high powers when working with customary trowel of: Wrist Underarm Elbow Shoulder (Kuyt-Evers 2006)

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Results TRADITIONAL SMART ERGO Position of handle decides stack on body areas

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Take home messages Developing successful arrangements is regularly a long and winding street… ., Evaluate ergonomic measures before usage on: Workload/Energy Complaints/Injuries Feasibility of measures for partners Employer Worker additionally at engineers, makers, and so on

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Exchange of information (research) Fifth IEA symposium in Beijing 2009 Increase of looked surveyed articles Special issues about development ergonomics Scandinavian Journal of Work, Environment & Health 2005 Applied Ergonomics 2005 American Journal of Industrial Medicine (in readiness) Scientific advisory groups IEA ICOH International tasks (e.g. Cochrane survey wellbeing mediations)

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