Principles And Methods Of Ergonomics

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INTRODUCTION
Ergonomic means the understanding of the interactions among humans and other elements of a system. This is achieved by applying theoretical principles, data and methods to design so that we can optimise human well being and thus improving overall system performance. Ergonomists helps in planning, designing and evaluation of tasks, jobs and products in industries. These also include environments and systems in order to make viable to the needs, abilities and limitations of peoples.

The term Ergonomics means Greek ergo that is work and nomos means laws to denote the science of work, ergonomics now contributes to all aspects of human activity. Physical ergonomics is concerned with human anatomy, and some of the anthropometric, physiological
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According to International Ergonomics Association (IEA); Ergonomics is the scientific discipline concerned with the understanding of interactions among humans and other elements of a system, and the profession that applies theory, principles, data and methods to design in order to optimize human well-being and overall system performance(2). In countries like India where there are many industries, they play a vital role in employing majority of industrial workers. The majority of the industrial workers are suffering from musculoskeletal disorder(5) that are work related specially upper extremity work-related musculoskeletal disorders (UE-WMSDs) are the most common form of occupational diseases. Hence to consider this factor, operator needs proper seating arrangement such that their problems regarding the MSDs can be reduced & productivity will be increased (3). This is dealt by ergonomics that deals with making the work place safe, comfortable, efficient, and harmless as possible. This is achieved by proper balance between worker characteristics and task demands. In any work setting it is important to produce high quality products and it’s been a main objective also. Labour is directly related to the productivity. Their ability, skills, productivity and performance have a great importance towards the increased production (4). Hence proper ergonomics enhance worker productivity, provide worker safety, physical and mental well-being and job

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