Numerous standardized questionnaires and other instruments for evaluating health status and treatment effectiveness have been developed. However, the majority of these instruments have been constructed and validated in English. The scientific literature generally recommends the use of scales and standardized questionnaires whose results can be compared internationally. However, because of cultural differences, it is not sufficient to just do a simple translation of these instruments. Drawing on specialized research in these area, this article presents a summary of systematized standards for the cultural adaptation of instruments used in occupational health.11109-11