Gender differences in occupant posture during driving and riding

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Cutcliffe, Hattie C.¹; Ólafsdόttir, Jόna M.²; Ӧsth, Jonas²; Davidsson, Johan²; Brolin, Karin²

Gender differences in occupant posture during driving and riding

Proceedings of the 2017 International IRCOBI Conference on the Biomechanics of Injury

Affiliations

¹Department of Biomedical Engineering at Duke University in North Carolina, USA

²Department of Applied Mechanics at Chalmers University in Gothenburg, Sweden
Abstract and keywords

The aim of this study was to compare postures of male and female vehicle occupants, tested in both front seat positions, during normal driving and deceleration onset. These data are useful for the development and initialisation of computational human body models. A secondary aim was to examine the effect of reversible, motorised seat belts in these events.

Kinematics were analysed for volunteers driving on rural roads, prior to autonomous braking (11 m/s2 deceleration). Two restraint configurations were tested: a standard versus a motorized belt, activated 200 ms before braking initiation. Kinematic metric comparison via ANCOVA was performed to understand postural differences across gender, role (driver/passenger), and belt type (standard/motorised). Data was analysed prior to and at vehicle deceleration, termed typical riding and initial braking, respectively.

While males and females displayed similar postures during typical riding, differences existed between drivers and passengers, especially with respect to neck posture. Drivers displayed more protracted neck postures, with significantly smaller (by 22‐27 mm, depending on gender) head‐to‐sternum horizontal distances, than passengers.

Motorised belts significantly changed posture during initial braking, notably of the chest (which was shifted posteriorly by approximately 13 mm, depending on gender and role), while standard belts did not. Within a given belt type, occupants’ change in posture was similar across gender and role during initial braking.

Keywords: Braking, Driver and passenger, Gender, Kinematics, Reversible motorised seat belt
Links

URL: http://www.ircobi.org/wordpress/downloads/irc17/pdf-files/12.pdf

Cited Works (23)

Year	Entry
2008	Linder A, Carlsson A, Svensson MY, Siegmund GP. Dynamic responses of female and male volunteers in rear impacts. Traffic Inj Prev. 2008;9(6):592-599.
2004	Quinlan KP, Annest JL, Myers B, Ryan G, Hill H. Neck strains and sprains among motor vehicle occupants: United States, 2000. Accid Anal Prev. January 2004;36(1):21-27.
2003	Krafft M, Kullgren A, Lie A, Tingvall C. The risk of whiplash injury in the rear seat compared to the front seat in rear impacts. Traffic Inj Prev. June 2003;4(2):136-40.
2008	Vasavada AN, Danaraj J, Siegmund GP. Head and neck anthropometry, vertebral geometry and neck strength in height-matched men and women. J Biomech. 2008;41(1):114-121.
2003	Siegmund GP, Sanderson DJ, Myers BS, Inglis JT. Rapid neck muscle adaptation alters the head kinematics of aware and unaware subjects undergoing multiple whiplash-like perturbations. J Biomech. April 2003;36(4):473-482.
2013	Östh J, Ólafsdóttir JM, Davidsson J, Brolin K. Driver kinematic and muscle responses in braking events with standard and reversible pre-tensioned restraints: validation data for human models. Stapp Car Crash J. November 2013;57:1-41.
2013	Ito D, Ejima S, Kitajima S, Katoh R, Ito H, Sakane M, Nishino T, Nakayama K, Ato T, Kimura T. Occupant kinematic behavior and effects of a motorized seatbelt on occupant restraint of human volunteers during low speed frontal impact: mini‐sled tests with mass production car seat. In: Proceedings of the 2013 International IRCOBI Conference on the Biomechanics of Injury. September 11-13, 2013; Gothenburg, Sweden.831-841.
1996	Viano DC, Gargan MF. Headrest position during normal driving: implication to neck injury risk in rear crashes. Accid Anal Prev. November 1996;28(6):665-674.
1983	Schneider LW, Robbins DH, Pflüg MA, Snyder RG. Development of Anthropometrically Based Design Specifications for an Advanced Adult Anthropomorphic Dummy Family, Volume 1. Ann Arbor, MI: University of Michigan Traffic Research Institute (UMTRI); December 1983. UMTRI Publication UMTRI-83-53-1.
2003	Blouin J-S, Descarreaux M, Bélanger-Gravel A, Simoneau M, Teasdale N. Attenuation of human neck muscle activity following repeated imposed trunk-forward linear acceleration. Exp Brain Res. June 2003;150(4):458-464.
2011	Carlsson S, Davidsson J. Volunteer occupant kinematics during driver initiated and autonomous braking when driving in real traffic environments. In: Proceedings of the 2011 International IRCOBI Conference on the Biomechanics of Injury. September 14-16, 2011; Krakow, Poland.125-136.
2005	Morris R, Cross G. Improved understanding of passenger behaviour during pre-impact events to aid smart restraint development. In: Proceedings of the 19th International Technical Conference on the Enhanced Safety of Vehicles (ESV). June 6-9, 2005; Washington, DC.
2003	Siegmund GP, Sanderson DJ, Myers BS, Inglis JT. Awareness affects the response of human subjects exposed to a single whiplash-like perturbation. Spine. April 1, 2003;28(7):671-679.
2011	Carlsson A, Linder A, Davidsson J, Hell W, Schick S, Svensson M. Dynamic kinematic responses of female volunteers in rear impacts and comparison to previous male volunteer tests. Traffic Inj Prev. 2011;12(4):347-357.
2005	Bingley L, Morris R, Cross G. Determination of real world occupant postures by photo studies to aid smart restraint development. In: Proceedings of the 19th International Technical Conference on the Enhanced Safety of Vehicles (ESV). June 6-9, 2005; Washington, DC.
2013	Ólafsdóttir JM, Östh JKH, Davidsson J, Brolin KB. Passenger kinematics and muscle responses in autonomous braking events with standard and reversible pre‐tensioned restraints. In: Proceedings of the 2013 International IRCOBI Conference on the Biomechanics of Injury. September 11-13, 2013; Gothenburg, Sweden.602-617.
2004	Peden M, Scurfield R, Sleet D, Mohan D, Hyder AA, Jarawan E, Mathers C, eds. World Report on Road Traffic Injury Prevention. Geneva, Switzerland: World Health Organization; 2004.
2009	Ejima S, Zama Y, Ono K, Kaneoka K, Shiina I, Asada H. Prediction of pre-impact occupant kinematic behavior based on the muscle activity during frontal collision. In: Proceedings of the 21st International Technical Conference on the Enhanced Safety of Vehicles (ESV). June 15-18, 2009; Stuttgart, Germany.
2008	Ejima S, Zama Y, Satou F, Holcombe S, Ono K, Kaneoka K, Shiina I. Prediction of the physical motion on human body based on muscle activities during pre-impact breaking. In: Proceedings of the 2008 International IRCOBI Conference on the Biomechanics of Impact. September 17-19, 2008; Bern, Switzerland.163-175.
2011	Schoeneburg R, Baumann K-H, Fehring M. The efficiency of PRE-SAFE® systems in pre-braked frontal collision situations. In: Proceedings of the 22nd International Technical Conference on the Enhanced Safety of Vehicles (ESV). June 13-16, 2011; Washington, DC.
2010	Bose D, Crandall JR, Untaroiu CD, Maslen EH. Influence of pre-collision occupant parameters on injury outcome in a frontal collision. Accid Anal Prev. July 2010;42(4):1398-1407.
2009	Arbogast KB, Balasubramanian S, Seacrist T, Maltese MR, García-España JF, Hopely T, Constans E, Lopez-Valdes FJ, Kent RW, Tanji H, Higuchi K. Comparison of kinematic responses of the head and spine for children and adults in low-speed frontal sled tests. Stapp Car Crash J. 2009;53:329-372. SAE 2009-22-0012.
2007	Ejima S, Ono K, Holcombe S, Kaneoka K, Fukushima M. A study on occupant kinematics behaviour and muscle activities during pre-impact braking based on volunteer tests. In: Proceedings of the 2007 International IRCOBI Conference on the Biomechanics of Impact. September 19-21, 2007; Maastricht, The Netherlands.31-45.

Cited By (1)

Year	Entry
2024	Leledakis A. Heterogeneity in Car Occupant Safety: Using Numerical Simulations to Address Real-World Safety [PhD thesis]. Götenburg, Sweden: Chalmers University of Technology; 2024.