The third principle is to preserve and promote the occupational

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To improve ergonomics at work  the position must be adapted to the size of man through its correct physical and nonphysical design. The dimensions of the body segments of the group of operators that must intervene must be considered considering ranges reaction times efforts moments cadences etc. But we must take into account and admit that on a large number of occasions the individual variables are unpredictable.. Sometimes the group of workers that belong to an organization is the one that exists and can be different from the population of users for whom it is generally designed.

It is also true that the human being has a great advantage in this regard. As a species we have a great capacity for adaptation and the possibility of transforming our habits and behaviors  as photo background removing long as the individual wants and also is taught how of course. Therefore these limitations to which we refer can be overcome through training actions and simulation of situations. The third principle is to preserve and promote the occupational health of the human being in its entirety .

The Design of the workplace is not only based on a material adaptation of the work environment to the measure of man. Its limitations must be taken into account low productivity absenteeism demotivation accidents errors etc. are indicators of a malfunction of the system which has not been designed in accordance with ergonomic principles. To delve into the key aspects of Ergonomics and the auxiliary disciplines on which it is based here you can find out about Biomechanics or Physiology  among others.