ERGONOMIC ASSESSMENT CHAPTER (original) (raw)
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Assessment of Work Related Musculoskeletal Disorders in Manufacturing Industry
Journal of Ergonomics, 2018
Results of study show that experience workers having more reported pain in upper body parts due to poor work station design. This study is focused on measuring the Risks for WMSDs (Work related musculoskeletal disorders) among workers in a manufacturing company, by applying ergonomic tools like QEC (quick exposure checklist), RULA (rapid upper limb assessment) scores and Nordic questionnaire. A cross-sectional study was conducted among workers aged between 18 to 45 years with a total number of 48 workers selected through random sampling with in the duration of 12 weeks. Validated version of QEC, RULA score sheet and Nordic questionnaire was used to measure the risk level and number of reported pain in body parts among workers. The results showed that the mean score of QEC and RULA was 73.6 and 4.6 respectively. However, results showed that experienced workers reported more pain in different body parts, indicating more chances of WMSDs among them. 79% workers of total sample had reported pain in different parts of body according to Nordic questionnaire, out of which 86% workers had pain in upper part and 14% had pain in lower part of the body that was also verified from QEC and RULA score sheet.
International journal of occupational safety and ergonomics : JOSE, 2008
Web-based surveys were sent to Canadian certified ergonomists, Joint Health and Safety Committees (JHSCs) and health and safety certification trainers to understand better which ergonomics analysis tools were used in industry and help JHSCs obtain the necessary training required to reduce work-related musculoskeletal disorders (WMSDs). The results showed that most of the certified ergonomists used the Snook/Mital tables, the National Institute of Occupational Safety and Health (NIOSH) equation and rapid upper limb assessment (RULA) /rapid entire body assessment (REBA). The most frequently used methods by JHSCs to identify ergonomics risk were injury reports and worker complaints. The surveys for the health and safety certification trainers revealed that most curricula did not include ergonomics analysis tools. There appears to be a gap between what is recommended by certified ergonomists for JHSC, what is taught in training and what is used by JHSCs for ergonomics risk analysis. A b...
Advances in Intelligent Systems and Computing, 2018
Objective: Identify the most used evaluation tools in work situations that involve biomechanical and postural load. Through the literature review, it seeks to answer the following questions, which is the influence of the work or occupational ergonomics in the industry? What are the ergonomic evaluation tools most used in labor situation similar to surgical support? and What is the relation between working conditions and the appearance of symptoms associated with pain and occupational diseases?. Method: Were defined keywords related to main areas: Ergonomics, productivity and risk factors, with which it was subsequently made a literature review on these databases: PubMed, Springer, and ScienceDirect. Likewise, it is included in the review, documents related to OMS, OIT, Fasecolda, among others. The documents founded were classified taking into account the inclusion criteria like language (Spanish, English, and French) and the relation with interest topics. Finally, it has been made the analysis of content with Nvivo Software. Results: It has been identified that the most recurrent evaluation tools for studies, related to labor activities that involve biomechanical and postural load, were LEST, REBA and VAS methods. Likewise, it was identified the relation between biomechanical risk factors with labors activities that involve load lifting and handling. Conclusions: Similar Investigations on the surgical support in companies were reviewed, show that exist a tendency toward the appearance and development of MSDs of occupational origin, especially injuries at the lumbar level due to biomechanical demand of these activities.
IJSREM Journal, 2021
Over the past few years, doctors realized that workers who carried heavy loads or maintained body positions with such loads for extended periods developed musculoskeletal problems and work environment hazards. In the long-ago years of research, the connections between specific job tasks and Musculoskeletal Disorders (MSD) with the study of ergonomics have been established. Ergonomics has become a significant contribution to the working environment to achieve or to complete the allotted work on time duration with perfection. This knowledge is necessary since the participation of all workers from the higher end to the lower end with the planning of intervention can create a suitable means of solutions in the industry. Some of the operational problems like repetitive work due to continuous sitting, standing and hazards may create fatigue. Hence, there is a need to find solutions for all these problems. The work gives analyses of ergonomics, hazards and safety techniques are related which develops a new framework to workers and safety is important with an ergonomics improvement of the workplace. The methodology classify and analyze the hazards in relation to physical, electrical and environmental parameters- as reported in the framework At conclusion of the study, the work reports data and insights from one manufacturing industry verifying different section with cases, which is relevant to industries.
Industrial Health
The International Organization for Standardization (ISO) published a new Technical Specification (TS), ISO/TS 20646-1 "Ergonomic procedures for the improvement of local muscular workloads (LMWL)--Part 1: Guidelines for reducing local muscular workloads" in 2004. However, little is known about whether the ISO/TS is really effective in taking action to improve the work conditions in real workplaces. This paper discussed the impact of preventive activities planned and carried out according to the ISO/TS in 17 enterprises. Results indicated that 61 improvements (96%) had already been implemented (63%) or in progress (33%) within 6 months of the start of the activities. Besides the initial improvements, new improvements added within one year reached 84 cases and 10 cases were in progress in 15 enterprises. Comprehensive risk analysis, which consisted of a series of applications of action oriented checklist and group discussions, contributed to the detection of widely diversifie...
IRJET- Ergonomic Design Analysis of Operator's Motions to Reduce Musculoskeletal Disorders
IRJET, 2020
The posture of workers while completing the tasks assigned to them is an important aspect when it comes to calculate efficiency, productivity and safety of the worker. This dissertation concentrates on systematic study of ergonomic assessment tools such as Rapid Upper Limb Assessment (RULA) and Rapid Entire Body Assessment (REBA) for mapping Musculoskeletal Disorders (MSDs). The advantages of these tools are sensitivity for musculoskeletal risks by classifying the bodies to the parts (wrist, upper arm, lower arm, neck, trunk, and legs); useful for manual tasks risk assessment, proposes the prioritization for corrective measures according to risk assessment and risk level. The detailed step wise procedure is followed to carry out the calculation which finishes with determining the risk factor so that preventive actions can be carried out.
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Musculoskeletal disorders and ergonomic risk factors in foundry workers
International Journal of Human Factors and Ergonomics, 2019
The present study aims to identify activity-specific risk factors associated with musculoskeletal disorders (MSDs) among workers from small-scale foundries in western India. The modified Nordic questionnaire is adopted to explore the prevalence of MSDs and associated critical ergonomic risk factors among 181 male foundry workers. Further, logistic regression is applied to explore critical factors causing MSDs in a foundry context. This study investigates manual materials handling (MMH) effect on MSDs prevalence and highlights 'load-handled' as the most critical risk factor. In the process, the study emphasises lower back, neck and knee as the vulnerable body parts. Additionally, it was investigated that workers from melting sections of the foundries are prone to MSDs risks that require immediate intervention. A work system model was used to frame the study and interpreted the results in the context of human-machine interaction occurring at the workspace. The results can be further coupled with engineering interventions for improved productivity in the foundry. 2 A. Qureshi et al.
ERGONOMIC ASSESSMENT OF WORK-RELATED MUSCULOSKELETAL DISORDERS
ERGONOMIC ASSESSMENT OF WORK-RELATED MUSCULOSKELETAL DISORDERS AMONG LIMITED SERVICE RESTAURANTS, 2020
Ergonomic Assessment of Work-Related Musculoskeletal Disorder among Limited Service Restaurants (August 2020) Kehinde Oladele, BSc, Ladoke Akintola University of Technology, Ogbomosho Chair of the Advisory Committee: Farzin Heidari, Ph.D. Musculoskeletal disorder is one of the most common work-related recordable disorders across all industries. This thesis examines work related musculoskeletal disorders present in limited service restaurants using Texas A&M University Kingsville as a case study. This research provides highlights into the most common musculoskeletal disorder amongst servers, how they can be identified and determining its impact on employees. The outcome indicates a significant relationship between the work demand/work posture and the occupational disorder experienced amongst limited service restaurant employees. Employing various tables, charts, and ordinary least square regression model, with the aid of IBM Statistical Package for Social Sciences (SPSS), this research shows that there is a common musculoskeletal disorder associated with all the five limited service restaurants examined in this case study and shows its effect on employee productivity.