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Work Environment and Human Factors

Ergonomics deals with the interaction of the human operator and Machine in the work environment. The interaction can be depicted by the diagram below.

Man-Task-Environment system

The figure below depicts an analogy of the mountain of cumulative trauma partly obscured by fog, the level of which indicates perception and awareness of symptoms.

The effect of poor ergonomics on the human body

Interaction among Person, Task, Workstation Design & Performance

Major disciplines contributing to ergonomics

The following branches of Science & Engineering contribute to Ergonomics:

Anthropometry
- Study of human capabilities and limitations.
Biomechanics
- Study of forces & stresses on human body.
Work Physiology
- Study of function of human organism effected by muscular stress.
Industrial Psychology
- Human behavior.
Epidemiology
- Study of incidences.
Bioengineering
- Application of engineering in design of work stations & tools for human use.

Steps to identify and preempt or solve ergonomic problem

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