due to work conditions and job inexperience. This analysis also
suggests improvements to the work activity regulation model,
relating not only to the balance of consequences (health and
productivity) but also to a necessary equilibrium in work determinants
adapted to the person (balance between sources of
constraint and resources), which is also the ultimate goal of ergonomic
interventions. This OHS learning model based on activity
theory is useful for understanding tension in a work organization
and for elaborating sustainable solutions that promote the development
of work skills including their OHS component.