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The influence of job rotation and task order on muscle responses in females
Job rotation aims to reduce muscle fatigue by switching between functionally different tasks to theoretically lessen the risk of site-specific fatigue and work-related musculoskeletal disorders (WMSDs). The effectiveness of job rotation in mitigating the onset of muscle fatigue is partially known, but there is limited ergonomic data on female populations despite comparatively lower upper body strength and increased risk of WMSDs. Rotating between two functionally different tasks, continuing a single task, and varying task order were assessed in the present study for influence on muscle fatigue...
Visual and psychological stress during computer work in healthy, young females - physiological responses
Purpose: Among computer workers, visual complaints, and neck pain are highly prevalent. This study explores how occupational simulated stressors during computer work, like glare and psychosocial stress, affect physiological responses in young females with normal vision. Methods: The study was a within-subject laboratory experiment with a counterbalanced, repeated design. Forty-three females performed four 10-min computer-work sessions with different stress exposures: (1) minimal stress; (2) visual stress (direct glare); (3) psychological stress; and (4) combined visual and psychological stress...
Aging and MSD: Strategies for Older Workers
The global population is aging with a projection that one in five people will be over the age of 60 by 2050. The Canadian population aged 65 and over is expected to double over the next 25 years. The Canadian workforce is also aging with a large proportion of workers (42.4%) in the 45 to 64 age group in 2011 and the average age of labor market participant predicted to continue to rise until 20314. However, it appears that very few Canadian companies have addressed the impact of an aging workforce on occupational health. Musculoskeletal disorders (MSD) are a burden to all industrial sectors. They...
Influence of Manual Labor at Work on Muscular Fitness and Its Relationship With Work Performance
Objective: The present study examined the influence of workplace manual labor on measures of muscular fitness, with a secondary aim to investigate the relationship between muscular fitness and work performance in blue-collar (BC) workers. Methods: Leg extension isokinetic strength at slow and fast velocities, hamstring and hip-flexor flexibility, and low back muscular endurance were examined in young and older BC workers and white-collar (WC) controls, while work performance was examined in the BC cohort. Results: There were no differences in muscular fitness variables between BC and WC groups;...
The Impact of a Rigorous Multiple Work Shift Schedule and Day Versus Night Shift Work on Reaction Time and Balance Performance in Female Nurses
A Repeated Measures Study Objective: The aim of this study was to determine the impact of a demanding work schedule involving long, cumulative work shifts on response time and balance-related performance outcomes and to evaluate the prevalence of musculoskeletal disorders between day and night shift working nurses. Methods: A questionnaire was used to identify the prevalence of past (12-month) and current (7-day) musculoskeletal disorders. Nurses worked three 12-hour work shifts in a 4-day period. Reaction time and balance tests were conducted before and after the work period. Results: The work...
Les pratiques de prévention des TMS dans l’économie sociale et solidaire
Les structures de l'économie sociale sont caractérisées par des métiers en contact avec un public en situation de difficultés sociales, de santé, d'autonomie, et par des financements très contraints liés aux politiques publiques. Ces spécificités ont un effet sur l'exposition des salariés au risque TMS. Le projet « Prévenir les TMS dans les métiers de l'économie sociale » a été initié par CIDES, Chorum Initiatives pour le Développement de l'Economie...
Predictors of sickness absence related to musculoskeletal pain
A two-year follow-up study of workers in municipal kitchens Objective : We studied predictors of sickness absences (SA) due to musculoskeletal pain over two years among 386 municipal female kitchen workers. Methods : Pain and SA periods (no/yes) due to pain in seven sites during the past three months were assessed at 3-month intervals over two years by questionnaire. Age, musculoskeletal pain, multisite pain (pain in ≥3 sites), musculoskeletal and other somatic diseases, depressive symptoms, physical and psychosocial workload, body mass index, smoking, and leisure-time physical activity (LTPA...
Work Organization and Musculoskeletal Health: Clinical Findings From Immigrant Latino Poultry Processing and Other Manual Workers
Objective: To determine the potential role of differential exposure to work organization hazards in musculoskeletal disorders among immigrant Latino workers. Method: Self-reported work organization data were obtained from immigrant Latino workers in poultry processing and nonpoultry, manual occupations (N = 742). Clinical evaluations for epicondylitis, rotator cuff syndrome, and back pain were obtained from a subsample (n = 518). Results: Several work organization hazards (eg, low job control, high psychological demands) were elevated among poultry processing workers. Job control predicted epicondylitis...
Les milieux de travail les plus à risque de troubles musculo-squelettiques entre 2005 et 2007 : cas d’une région du Québec
Cette étude visait à déterminer les dix secteurs d’activité où le risque de souffrir TMS liés au travail est le plus élevé. Pour ce faire, les chercheurs ont utilisé les données du fichier des lésions professionnelles indemnisées tenu par le régime d’assurance des travailleurs du Québec, sur un total de 93 sous-secteurs industriels avec des entreprises en activité dans la région de Laval. Parmi les dix sous-secteurs les plus à risque figurent les établissements...
Truck Driver Demographics and the Risk of Musculoskeletal Injuries
Commercial truck drivers face the risk of injury not only from accidents on the road, but also from the physical toll of sitting in and operating the vehicle. According to a recent Atlas Ergonomics study, long hours behind the wheel put certain drivers at a higher risk of developing musculoskeletal injuries. http://ehstoday.com/health/news/truck-driver-skeletal-7270/

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