Journal article
Age Differences in Occupant Motion during Simulated In-Vehicle Swerving Maneuvers
International journal of environmental research and public health, v 17(6), p1834
12 Mar 2020
PMID: 32178285
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Background: With active safety and automated vehicle features becoming more available, unanticipated pre-crash vehicle maneuvers, such as evasive swerving, may become more common, and they may influence the resulting effectiveness of occupant restraints, and consequently may affect injury risks associated with crashes. Therefore, the objective of this study was to quantify the influence of age on key occupant kinematic, kinetic, and muscular responses during evasive swerving in on-road testing. Methods: Seat belt-restrained children (10-12 years old), teens (13-17 years old), and adults (21-33 years old) experienced two evasive swerving maneuvers in a recent model sedan on a test track. Kinematics, muscle activity, and seat belt load distribution were determined and analyzed. Results: Compared to teens and adults, children showed greater head and trunk motion (p < 0.03), but similar muscle activation in the into-the-belt direction of swerving. In the out-of-the-belt direction, children showed head and trunk motion more similar to teens and adults (p < 0.02), but with greater muscle activation. Conclusions: Children showed different neuromuscular control of head and trunk motion compared to older occupants. This study highlights differences in the relationship between kinematics and muscle activation across age groups, and provides new validation data for active human body models across the age range.
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Details
- Title
- Age Differences in Occupant Motion during Simulated In-Vehicle Swerving Maneuvers
- Creators
- Valentina Graci - Children's Hospital of PhiladelphiaEthan Douglas - Children's Hospital of PhiladelphiaThomas Seacrist - Children's Hospital of PhiladelphiaJason Kerrigan - University of VirginiaJulie Mansfield - The Ohio State UniversityJohn Bolte - The Ohio State UniversityRini Sherony - Toyota Motor Engn & Mfg NA Inc, Collaborat Safety Res Ctr, Ann Arbor, MI 48108 USAJason Hallman - Toyota Motor Engn & Mfg NA Inc, Collaborat Safety Res Ctr, Ann Arbor, MI 48108 USAKristy Arbogast - University of Pennsylvania
- Publication Details
- International journal of environmental research and public health, v 17(6), p1834
- Publisher
- Mdpi
- Number of pages
- 12
- Grant note
- Toyota Collaborative Safety Research Center
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Graduate School of Biomedical Sciences and Professional Studies
- Web of Science ID
- WOS:000529342300024
- Scopus ID
- 2-s2.0-85081981703
- Other Identifier
- 991021902498204721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Environmental Sciences
- Public, Environmental & Occupational Health