2015-02-01 12:00 - Messages

Démarche de prévention des troubles musculo-squelettiques (TMS)

Le présent document est un guide méthodologique, fondé sur un recueil de pratiques, à destination des employeurs publics et des acteurs de la prévention. Il vise à accompagner les employeurs publics dans la mise en place d'un dispositif de prévention des troubles musculo-squelettiques efficace et durable.

Source: http://www.fonction-publique.gouv.fr/files/files/publications/coll_outils_de_la_GRH/guide_pratique_TMS.pdf

Ergonomic design of crane cabin interior

The path to improved safety
Many procedures in the development process of crane cabins today are still based on the specific experience of manufacturers and historical guidelines. It is not surprising that they fail to meet the needs of a large proportion of operators. Accordingly, the need for more objective, theoretically justified and consistent models, that will minimize crane operators' biomechanical and visual problems through anthropometric characteristic analysis to improve safety and prevent crane related fatalities and injuries, arises. In that aim we firstly identified the critical characteristics of existing crane cabins linked to visibility and posture (seat and armrest problems) using users' opinions and Pareto analysis. We then collected rarely available data on crane operators in Serbian companies (64 in the first and 10 operators in the control sample) and proposed methodology for the ergonomic assessment of crane cabins based on drawing-board mannequins and kinematic modeling. The implemented methodology interval estimate obtains an interior space of 1095 × 1150 × 1865 mm in which is possible to eliminate the critical characteristics of existing crane cabins. The research results fulfill user needs not satisfied in existing crane cabins and suggest certain changes to existing standards on the path to improved safety.

Source: Spasojevic Brkic VK, Klarin MM, Brkic AD. Safety Sci. 2015; 73: 43-51.
http://dx.doi.org/10.1016/j.ssci.2014.11.010

A Tailored Workplace Exercise Program for Women at Risk for Neck and Upper Limb Musculoskeletal Disorders

A Randomized Controlled Trial
Objective: The aim of this study was to evaluate a tailored physical activity protocol performed in a work environment with a group of female workers employed in manual precision tasks to reduce upper limb pain.
Methods: Sixty female subjects were randomly assigned to an intervention group or a control group. The IG was administered of a 6-month, twice-a-week, tailored exercise program, whereas the CG received no intervention.
Results: The IG showed a reduction on shoulder pain accompanied by increases on the range of motion measures. In addition, reductions in upper limb pain and neck disability were detected with concomitant increases in grip strength.
Conclusions: This study indicated positive effects of a tailored workplace exercise protocol in female workers exposed to moderate risk for work-related musculoskeletal disorders, showing clinically meaningful reductions of pain symptoms and disability on upper limb and neck regions.

Source: Rasotto, Chiara; Bergamin, Marco; Sieverdes, John C.; Gobbo, Stefano; Alberton, Cristine L.; Neunhaeuserer, Daniel; Maso, Stefano; Zaccaria, Marco; Ermolao, Andrea. Journal of Occupational & Environmental Medicine: February 2015, Volume 57, Issue 2, p. 178–183.
http://dx.doi.org/10.1097/JOM.0000000000000329

Work-related psychosocial risk factors and musculoskeletal disorders in hospital nurses and nursing aides

A systematic review and meta-analysis
Objectives :To estimate the association between psychosocial risk factors in the workplace and musculoskeletal disorders (MSD) in nurses and aides.
Design : Systematic review and meta-analysis.
Data sources : An electronic search was performed using MEDLINE (Pubmed), Psychinfo, Web of Science, Tripdatabase, Cochrane Central Controlled Trials, NIOSHTIC and Joanna Briggs Institute of Systematic Reviews on Nursing and Midwifery, to identify observational studies assessing the role of psychosocial risk factors on MSD in hospital nurses and nursing aides.
Review methods : Two reviewers independently assessed eligibility and extracted data. Quality assessment was conducted independently by two reviewers using an adapted version of the Standardized Quality Scale. Random-effects meta-analysis was performed by subsets based on specific anatomical site and the exposure to specific psychosocial risk factors. Heterogeneity for each subset of meta-analysis was assessed and meta-regressions were conducted to examine the source of heterogeneity among studies.
Results : Twenty-four articles were included in the review, seventeen of which were selected for meta-analysis. An association was identified between high psychosocial demands–low job control with prevalent and incident low back pain (OR 1.56; 95% CI 1.22–1.99 and OR 1.52; 95% CI 1.14–2.01, respectively), prevalent shoulder pain (OR 1.89; 95% CI 1.53–2.34), prevalent knee pain (OR 2.21; 95% CI 1.07–4.54), and prevalent pain at any anatomical site (OR 1.38; 95% CI 1.09–1.75). Effort-reward imbalance was associated with prevalent MSD at any anatomical site (OR 6.13; 95% CI 5.32–7.07) and low social support with incident back pain (OR 1.82; 95% CI 1.43–2.32). Heterogeneity was generally low for most subsets of meta-analysis.
Conclusion : This meta-analysis suggests that psychosocial risk factors at the workplace are associated with MSD in hospital nurses and nursing aides. Although most preventive strategies at the workplace are focused on ergonomic risk factors, improving the psychosocial work environment might have an impact on reducing MSDs.

Source: Bernal, Dinora, Campos-Serna, Javier, Tobias, Aurelio, Vargas-Prada, Sergio, Benavides, Fernando G., Serra, Consol. International Journal of Nursing Studies, 2015, 52(2), 635-648
http://dx.doi.org/10.1016/j.ijnurstu.2014.11.003

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