This paper presents the response of a child-size Post Mortem Human Subject in a series of frontal impact sled tests. Specific focus is on the whole-body kinematics and resulting head trajectories under two different restraint conditions (booster seat and standard belt, booster seat and force-limiting pre-tensioning belt) in a rear seat environment. At 48 km/h, the pretensioning, force-limiting seatbelt reduced the forward excursion of both the head (353 mm vs. 424 mm) and the h-point (120 mm vs. 152 mm) compared to the standard system. Maximum torso pitch was similar for both seatbelts. There were no apparent adverse effects of the force-limiting or pretensioning for the limited sets of conditions considered here.
Keywords: Frontal impact, child restraint systems, kinematics, restraint systems.
International Research Council on Biomechanics of Injury, York, England (United Kingdom). 09 September 2009
Publication date: September 2009.
F.J. López-Valdés, J.L. Forman, Joseph H. Ash, M. Kindig, J. Lamp, R. W. Kent, K. Bohman, O. Bostrom, The frontal-impact response of a booster-seated child-size PMHS, International Research Council on Biomechanics of Injury - IRCOBI 2009, York, United Kingdom, 09-11 September 2009. , pp. 177-188, ISBN: 978-3-033-02050-4