Ergonomics is the word made from two Greek words “Ergon” means work and “Nomos” means laws. Ergonomics is the study of man with respect to his work. Ergonomics is also known as “human engineering”.

As per the ILO definition:

“The application of human biological sciences along with engineering sciences to achieve optimum mutual adjustment of men and his work.

Ergonomics knowledge is derived from the human sciences such as anatomy, physiology and psychology.

The contribution of basic anatomy lies in improving physical fit between people and the things they use, ranging from hand tools to aircraft cockpit design.

Work physiological address the energy requirement, posture of body and set standards for acceptable physical work rate, work load.

Environmental physiology analyzes the impact of physical working conditions like thermal, noise and vibration and lighting, etc. and sets the optimum requirements for these.

Psychological concern with issues like information processing, decision making capabilities and job satisfaction.

There are other issues like shift work, stress and fatigue related to human science which plays important role to decide the ergonomics course