Comparison of NOCSAE head kinematics using the Hybrid III and EuroSID-2 necks |
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| Affiliation: | 1. Université de Lyon, F-69622 Lyon, France;2. Université Claude Bernard Lyon 1, Villeurbanne, France;3. IFSTTAR, UMR_T9406, LBMC Laboratoire de Biomécanique et Mécanique des Chocs, F-69675 Bron, France;4. Institut Langevin – Ondes et Images, ESPCI ParisTech, PSL Research University, CNRS UMR7587, INSERM U979, 1 rue Jussieu, 75238 Paris Cedex, France;1. School of Mechanical and Aerospace Engineering, Queen’s University Belfast, Belfast, UK;2. Primary Joint Unit, Musgrave Park Hospital, Belfast, UK;3. School of Mechanical & Manufacturing Engineering, Dublin City University, Dublin, Ireland;4. Centre for Medical Engineering Research, School of Mechanical & Manufacturing Engineering, Dublin City University, Dublin, Ireland;5. Trinity Centre for Bioengineering, Trinity College Dublin, Dublin, Ireland;6. Queen’s University Belfast, School of Pharmacy, Belfast, UK;1. Torbay Hospital, Torquay, UK;2. Royal Children''s Hospital, Brisbane, Australia;3. Queensland University of Technology, Brisbane, Australia;1. Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA;2. Center for NeuroTrauma Research, Medical College of Wisconsin, Milwaukee, Wisconsin, USA;3. Division of Biostatistics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA |
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| Abstract: | Anthropomorphic test devices (ATDs) are designed for specific loading scenarios and possess uniquely designed individual components including the neck. The purpose of this study was to determine the influence of the neck surrogate on head kinematics. Inertial loads were generated using a pendulum system with an anthropomorphic head attached to a Hybrid III (HIII) or EuroSID-2 (ES-2) neck. The ATD head-neck assemblies were tested under extension, flexion, lateral bending, oblique extension, and oblique flexion at 3.4 m/s. Peak head kinematics were found to be statistically different with the ES-2 versus HIII neck under certain cases. For extension, the resultant peak linear acceleration (PLA) and resultant peak angular acceleration (PAA) were statistically higher with the ES-2 versus HIII neck. For flexion and lateral bending, there were no statistical differences in the resultant PLA based on neck selection although the resultant PAA was statistically higher with the ES-2 versus HIII neck. For oblique extension, the resultant PLA and PAA statistically increased with the ES-2 versus HIII neck. Furthermore, the acceleration components ax, αx, and αy were statistically higher with the ES-2 neck while ay showed no statistical difference due to neck selection. For oblique flexion, the resultant PLA and PAA were statistically higher with the ES-2 versus HIII neck. Additionally, the acceleration components ax, ay, αx, and αy were statistically higher with the ES-2 versus HIII neck. These findings indicate that for certain loading directions and acceleration components, head kinematics were influenced by the neck surrogate used. |
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| Keywords: | NOCSAE EuroSID-2 Hybrid III Neck Inertial loading |
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