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Modeling the Effect of the 2018 Revised ACGIH® Hand Activity Threshold Limit Value® (TLV) at Reducing Risk for Carpal Tunnel Syndrome
Recent studies have shown the 2001 American Conference of Governmental Industrial Hygienists (ACGIH®) Threshold Limit Value (TLV®) for Hand Activity was not sufficiently protective for workers at risk of carpal tunnel syndrome (CTS). These studies led to a revision of the TLV and Action Limit. This study compares the effect of applying the 2018 TLV vs. the 2001 TLV to predict incident CTS within a large occupational pooled cohort study (n = 4,321 workers). Time from study enrollment to first occurrence of CTS was modeled using Cox proportional hazard regression. Adjusted and unadjusted...
Z412-17 - Office ergonomics - An application standard for workplace ergonomics
This is the third edition of CSA Z412, Office ergonomics — An application standard for workplace ergonomics. It supersedes previous editions published as guidelines in 2000 and 1989 under the title Guideline on Office Ergonomics. The present edition includes updates to reflect new technology and work practices, and is now presented in the form of a standard rather than a guideline. The objective of this Standard is to apply ergonomics to enhance user health, safety, and well-being and to optimize system performance in order to prevent occupational injuries and illnesses or to reduce the severity...
Carpal tunnel syndrome and manual work
The OCTOPUS cohort, results of a ten-year longitudinal study This large longitudinal cohort study provides a prospective validation of the ACGIH TLV® method for the assessment of biomechanical exposures at work. It confirmed that “forceful hand exertions” more than “any exertion” significantly increase the risk of CTS. This study suggests that the current limits (AL and TLV) might not be sufficiently protective for some workers. Source: Violante FS, Farioli A, Graziosi F, Marinelli F, Curti S, Armstrong TJ, Mattioli S, Bonfiglioli R. Scand J Work Environ Health , 2016...
Principes ergonomiques pour la conception des cabines de tri des déchets recyclables secs ménagers et assimilés issus des collectes sélectives
Le présent document définit les exigences à intégrer lors de la conception des cabines de tri manuel des déchets recyclables secs ménagers et assimilés issus des collectes sélectives. Ces exigences sont relatives aux structures, aux matériels, aux espaces et aux postes de travail nécessaires pour réaliser l'activité de séparation manuelle de ces déchets effectuée sur des tables de tri en cabine. Source:
A frequency–duty cycle equation for the ACGIH hand activity level
A new equation for predicting the hand activity level (HAL) used in the American Conference for Government Industrial Hygienists threshold limit value (TLV) was based on exertion frequency (F) and percentage duty cycle (D). The TLV includes a table for estimating HAL from F and D originating from data in Latko et al. (Latko WA, Armstrong TJ, Foulke JA, Herrin GD, Rabourn RA, Ulin SS, Development and evaluation of an observational method for assessing repetition in hand tasks. American Industrial Hygiene Association Journal, 58(4):278–285, 1997) and post hoc adjustments that include extrapolations...
Clinical guidelines for occupational lifting in pregnancy
Evidence summary and provisional recommendations Empirically based lifting criteria established by the National Institute for Occupational Safety and Health (NIOSH) to reduce the risk of overexertion injuries in the general US working population were evaluated for application to pregnant workers. This report proposes criteria to guide decisions by medical providers about permissible weights for lifting tasks performed at work over the course of an uncomplicated pregnancy. Our evaluation included an extensive review of the literature linking occupational lifting to maternal and fetal health. Although...
Validation of the ACGIH TLV for hand activity level in the OCTOPUS cohort: a two-year longitudinal study of carpal tunnel syndrome
Objectives This study aimed to evaluate the risk of musculoskeletal disorders to the hand-wrist system. The American Conference of Governmental Industrial Hygienists (ACGIH) proposed threshold limit values (TLV©) based on hand activity level (HAL) and normalized peak force (PF). We validated ACGIH TLV© in OCTOPUS, a large cohort study on carpal tunnel syndrome (CTS). Conclusions We found a dose–response relationship between ACGIH TLV© classification and risk of CTS. The increased risk observed for workers exposed between AL and TLV suggests that the current AL and TLV might...
Z1004-12 - Workplace ergonomics - A management and implementation standard
This is the first edition of CSA Z1004, Workplace ergonomics - A management and implementation Standard. This Standard sets out requirements and provides guidance for the systematic application of ergonomics to the development, design, use, management, and improvement of work systems through the implementation of an Ergonomics Process. The objective of this Standard is to enable an organization to enhance worker health, safety, and well-being and optimize system performance to prevent occupational injuries, illnesses, and fatalities and/or reduce the severity of harm related to occupational activities...
Une nouvelle norme pour améliorer les conditions de travail des caissiers et caissières
Afin d'améliorer les conditions de travail des caissiers et caissières, de réduire les risques, une nouvelle norme AFNOR est désormais disponible pour améliorer l'ergonomie des postes de travail. Tendinites, douleurs dorsales et cervicales, troubles musculo-squelettiques (TMS), stress… sont quelques-unes des nombreuses pathologies qui frappent les caissiers et caissières. Il devenait urgent de s'intéresser au problème. Ainsi, la nouvelle norme AFNOR NF X35-701 s'applique à l'ergonomie des postes de travail...
Nouvelle norme canadienne en ergonomie
Après la publication de la 2e version d'un guide sur l'ergonomie au bureau (Z412), l'Association canadienne de normalisation (ACNOR – CSA) récidive en publiant la version préliminaire d'une nouvelle norme portant sur la gestion globale de l'ergonomie en entreprise. Ce projet de norme, publié en mai 2010, s'intitule Z1004 Workplace Ergonomics. En attendant la publication de la version finale de cette éventuelle norme, voici quelques éléments que l'on retrouve dans le texte préliminaire. Source : http://www...
Aménagement des espaces de travail
Ergonomie - Aménagement des espaces de travail - Qu’est-ce que l’ergonomie ? - Conception des lieux et des situations de travail : principes, objectifs et champs d'action - L’ergonomie au service de la prévention des TMS - L'aménagement des espaces de travail : des normes à respecter
Envoyé: 2009-04-17 13:35 par Maryse Gagnon | avec aucun commentaire
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