The changes observed on the rules of retirement point out the increasing of the elderly's stay on the market. This stay will only be viable if there are also changes at the work stations, making them more flexible and compatible with the characteristics of a population that ages. Ergonomic analysis point out some directions of researches that can contribute to the improvement of work conditions: confections of technical and organizational provisions based on the analysis of the work how it's truly done and a politics of continuous formation that allows workers to stay actives on the actual context of technological innovations.