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At present, numerous restraint systems for children applied in vehicles are in general considered for the use on the back seats. Up to now, only impact tests with dummies and animals have been carried through by these systems. Out of the great number of children seats and belts we used a system (deformable safety impact table combined with a lap-belt) which has been investigated by us during frontal impacts utilizing two dummies and four cadavers of children in the age of 2,5 up to 11 years having body weights of 16 up to 31 kg. The tests have been conducted on the deceleration-sled track at the Institute of Legal Medicine of the University Heidelberg. Impact velocities of 30 km/h and 40 km/h at a medium deceleration of 20g have been chosen. None of the test subjects showed injuries to the inner organs; however, numerous muscular hemorrhages as well as hemorrhages of discs and ligaments were noticed.