Abstract
This study examines the postmen activity and the bag used in their task, which should transport the weight without affecting the locomotor system and the attitude of the worker. Studies were conducted on the activity of the postmen and transportation of loads, analyzing functional and ergonomic aspects of load distribution, as well as surveys with users, which made it possible to verify and prove the problems presented. Thus, the following work was developed in order to demonstrate the importance of applying an ergonomic product design.