Does little good to have good equipment if the user does not know how to distribute work items, has not received information on how to adjust the furniture they use or no information about the importance of certain habits. Of these issues above that related to organization of work are a hallmark of the complexity of its root in relation to psychosocial risk factors and health, it does not seem as obvious as that between other risk factors (noise, for example) and health. The effects of work organization are more intangible and nonspecific, and are manifested through various mechanisms emotional (feelings of anxiety, depression, alienation, apathy, etc..)

Cognitive (restriction of perception, the ability for concentration , creativity or decision-making), behavioral (alcohol, snuff, drugs, violence, etc..) and physiological (neuroendocrine reactions). (Moncada & Llorens, 2002). Stress: “Stress at work is a set of emotional, cognitive, physiological and behavioral aspects of adverse or harmful content, organization or work environment. It is a state characterized by high levels of excitation and trouble, by the common sense of not being able to cope with the situation “(European Commission 2000). Psychosocial: Defined by the National Institute of Occupational Safety and Health at Work, as “those conditions in a work situation directly related to work organization, job content and the relationship of the task, and presented with the ability to affect the development of labor and worker health. ” Health: perfect state of wellness and balance physical, mental and social, not necessarily the absence of damage or disease.