In the nineties, the civil air traffic has considerably developed. The development of tourism, competition and the fall in costs are the main causes of increase of the number of people taking planes.
Yet the interior architecture of planes has changed very little, especially the spaces for the passengers and the crew.
If customers have to stay in their seats most of the time, there is still not enough space for them to relax or exercise a minimum. How then is it possible to improve the passengers’ comfort, and reduce occupational diseases contracted by the crew ?