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European car manufacturers and suppliers are currently stepping up the effort to develop solutions to meet pedestrian safety requirements, which will come into effect, starting in 2005. Numerous concepts, both active and passive, are being investigated to fulfil the pedestrian safety specifications, in addition to the many other limitations imposed on the front end of the car. All of them deal with the topic of energy absorption. Here, an approach to achieving a passive solution will be presented, describing the development of the ‘Virtual Stiffness Profile’ (VSP) to help identify the optimum balance of engineering and styling to meet the requirements. In this paper, specific emphasis is placed on the lower leg impact.