Chest injuries of elderly Post Mortem Human Surrogates (PMHS) under seat belt and airbag loading in frontal sled impacts. Comparison to matching THOR tests. Francisco J. Lopez-Valdes 1 , Krystoffer Mroz 2 , Andre Eggers 3 , Bengt Pipkorn 2 , Julia Muehlbauer 4 , Sylvia Schick 4 , Steffen Peldschus 4 1 Instituto de Innovación Tecnológica (IIT), Dpt. Mechanical Engineering, ICAI, Universidad Pontificia de Comillas 2 Autoliv Research, Sweden 3 BASt, Germany 4 Ludwig Maximilians University, Munich, Germany Corresponding author: Francisco J. Lopez-Valdes, PhD Instituto de Innovación Tecnológica (IIT) ICAI Engineering School, Universidad Pontificia de Comillas c/ Alberto Aguilera 25, 28250 Madrid fjlvaldes@comillas.edu