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Effects of aging factors on thoracic injury risk under blunt impact loading

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Abstract

Thoracic injury from blunt loading is the principle causative factor of death in automotive crashes, which has been shown to be particularly significant for the elderly. The purpose of this study is to characterize the effect of aging factors, such as morphological changes in the rib cage and material property changes in the biological structures, on the injury level under a blunt loading condition. To achieve this objective, a detailed finite element model of the thorax, including the internal organs for the adult (base) model (Model I), was developed. Age-related morphological changes in the rib cage (Model II) and material property changes in the biological structure (Models III and IV) were also developed. The developed rib and adult thorax models were validated using previously reported experimental test data. The simulation results showed that the age-related morphological changes in the rib cage decreased the thoracic injury tolerance in the case of a frontal impact, but a reverse effect was produced in the case of lateral impact loading. However, material property changes in the biological structure decreased the thoracic injury tolerance irrespective of the impact direction. The possible aorta injury site also matched well with previous observations; however, the peak maximum principal stress in the aorta was generated at different sites according to the impact direction.

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References

  1. Kent, R. W., Sherwood, C., Lessley, D., Overby, B., and Matsouka, F., “Age-Related Changes in the Effective Stiffness of the Human Thorax using Four Loading Conditions,” Proc. of the International Research Council on the Biomechanics of Injury Conference, pp. 249–263, 2003.

    Google Scholar 

  2. Kent, R., Henary, B., and Matsuoka, F., “On the Fatal Crash Experience of Older Drivers,” Proc. of Annual Proceedings/Association for the Advancement of Automotive Medicine, Vol. 49, pp. 371–391, 2005.

    Google Scholar 

  3. Wake Forest University School of Medicine CIREN Center, “Age Related Thresholds and Thoracic Injury,” CIREN Public Meeting, 2008.

    Google Scholar 

  4. Kent, R. and Patrie, J., “Chest Deflection Tolerance to Blunt Anterior Loading is Sensitive to Age but not Load Distribution,” Forensic Science International, Vol. 149, No. 2, pp. 121–128, 2005.

    Article  Google Scholar 

  5. Kroell, C. K., Schneider, D. C., and Nahum, A. M., “Impact Tolerance and Response of the Human Thorax,” SAE Technical Paper No. 710851, 1971.

    Google Scholar 

  6. Kroell, C. K., Schneider, D. C., and Nahum, A. M., “Impact Tolerance and Response of the Human Thorax II,” SAE Technical Paper No. 741187, 1974.

    Google Scholar 

  7. Zhou, Q., Rouhana, S. W., and Melvin, J. W., “Age Effects on Thoracic Injury Tolerance,” SAE Technical Paper No. 962421, 1996.

    Google Scholar 

  8. Kent, R., Lee, S.-H., Darvish, K., Wang, S., Poster, C. S., et al., “Structural and Material Changes in the Aging Thorax and their Role In Crash Protection for Older Occupants,” Stapp Car Crash Journal, Vol. 49, pp. 231–249, 2005.

    Google Scholar 

  9. Tamura, A., Watanabe, I., and Miki, K., “Elderly Human Thoracic FE Model Development and Validation,” Proc. of the 19th ESV Conference, Paper No. 05–0229, 2005.

    Google Scholar 

  10. Ito, O., Dokko, Y., and Ohashi, K., “Development of Adult and Elderly FE Thorax Skeletal Models,” SAE Technical Paper No. 2009–01–0381, 2009.

    Google Scholar 

  11. El-Jawahri, R. E., Laituri, T. R., Ruan, J. S., Rouhana, S. W., and Barbat, S. D., “Development and Validation of Age-Dependent FE Human Models of a Mid-Sized Male Thorax,” Stapp Car Crash Journal, Vol. 54, pp. 407–430, 2010.

    Google Scholar 

  12. Li, Z., Kindig, M. W., Subit, D., and Kent, R. W., “Influence of Mesh Density, Cortical Thickness and Material Properties on Human Rib Fracture Prediction,” Medical Engineering & Physics, Vol. 32, No. 9, pp. 998–1008, 2010.

    Article  Google Scholar 

  13. Digimation, Inc., “Digimation Premier Anatomy Collection — Man 8,” Lake Mary FL: Digimation, Inc., 2009.

    Google Scholar 

  14. Gayzik, F. S., Mao, M. Y., Danelson, K. A., Slice, D. E., and Stitzel, J. D., “Quantification of Age-Related Shape Change of the Human Rib Cage through Geometric Morphometrics,” Journal of Biomechanics, Vol. 41, No. 7, pp. 1545–1554, 2008.

    Article  Google Scholar 

  15. Mohr, M., Abrams, E., Engel, C., Long, W. B., and Bottlang, M., “Geometry of Human Ribs Pertinent to Orthopedic Chest-Wall Reconstruction,” Journal of Biomechanics, Vol. 40, No. 6, pp. 1310–1317, 2007.

    Article  Google Scholar 

  16. Kemper, A. R., McNally, C., Pullins, C. A., Freeman, L. J., Duma, S. M., and Rouhana, S. M., “The Biomechanics of Human Ribs: Material and Structural Properties from Dynamic Tension and Bending Tests,” Stapp Car Crash Journal, Vol. 51, pp. 235–273, 2007.

    Google Scholar 

  17. Thompson, D. D., “Age Changes in Bone Mineralization, Cortical Thickness, and Haversian Canal Area,” Calcified Tissue International, Vol. 31, No. 1, pp. 5–11, 1980.

    Article  Google Scholar 

  18. Livemore Software Technology Corporation, “LS-DYNA Keyword User’s Manual, Volume 1, Version 97,” 2007.

    Google Scholar 

  19. Panjabi, M. M., Brand, R. A., and White, A. A., “Mechanical Properties of the Human Thoracic Spine as Shown by Three-Dimensional Load-Displacement Curves,” The Journal of Bone & Joint Surgery, Vol. 58, No. 5, pp. 642–652, 1976.

    Google Scholar 

  20. Lemosse, D., Le Rue, O., Diop, A., Skalli, W., Marec, P., and Lavaste, F., “Characterization of the Mechanical Behaviour Parameters of the Costo-Vertebral Joint,” European Spine Journal, Vol. 7, No. 1, pp. 16–23, 1998.

    Article  Google Scholar 

  21. Koh, S. W., Cavanaugh, J. M., Leach, J. P., and Rouhana, S. W., “Mechanical Properties of the Shoulder Ligaments under Dynamic Loading,” Stapp Car Crash Journal, Vol. 48, pp. 125–153, 2004.

    Google Scholar 

  22. Ruan, J., El-Jawahri, R., Chai, L., Barbat, S., and Prasad, P., “Prediction and Analysis of Human Thoracic Impact Responses and Injuries in Cadaver Impacts Using a Full Human Body Finite Element Model,” Stapp Car Crash Journal, Vol. 47, pp. 299–321, 2003.

    Google Scholar 

  23. MIMX, “IA-FEMesh User’s Manual Version 1.0,” 2008.

    Google Scholar 

  24. Bass, C., Darvish, K., Bush, B., Crandall, J., Srinivasan, S., et al., “Material Properties for Modeling Traumatic Aortic Rupture,” Stapp Car Crash Journal, Vol. 45, pp. 143–160, 2001.

    Google Scholar 

  25. Lai-Fook, S. J., and Hyatt, R. E., “Effects of Age on Elastic Moduli of Human Lungs,” Journal of Applied Physiology, Vol. 89, No. 1, pp. 163–168, 2000.

    Google Scholar 

  26. McCalden, R. W., McGeough, J. A., and Barker, M. B., “Age-Related Changes in the Tensile Properties of Cortical Bone. The Relative Importance of Changes in Porosity, Mineralization, and Microstructure,” The Journal of Bone & Joint Surgery, Vol. 75, No. 8, pp. 1193–1205, 1993.

    Google Scholar 

  27. Mohan, D. and Melvin, J.W., “Failure Properties of Passive Human Aortic Tissue. II-Biaxial Tension Tests,” Journal of Biomechanics, Vol. 16, No. 1, pp. 31–44, 1983.

    Article  Google Scholar 

  28. Mosekilde, L. and Mosekilde, L., “Normal Vertebral Body Size and Compressive Strength: Relations to Age and to Vertebral and Iliac Trabecular Bone Compressive Strength,” Bone, Vol. 7, No. 3, pp. 207–212, 1986.

    Article  Google Scholar 

  29. Yamada, H. and Evans, F. G., “Strength of Biological Materials,” Maryland: The Williams & Wikins Company, p. 83, 1970.

    Google Scholar 

  30. Bouquet, R., Ramet, M., Bermond, F., and Cesari, D., “Thoracic and Pelvis Human Response to Impact,” Proc. of International Technical Conference on the Enhanced Safety of Vehicles, pp. 100–109, 1995.

    Google Scholar 

  31. Ding, M., Dalstra, M., Danielsen, C. C., Kabel, J., Hvid, I., and Linde, F., “Age Variations in the Properties of Human Tibial Trabecular Bone,” Journal of Bone & Joint Surgery, British Volume, Vol. 79, No. 6, pp. 995–1002, 1997.

    Article  Google Scholar 

  32. Kent, R. W., Bass, C., Woods, W., Salzar, R., Lee, S. H., and Melvin, J., “The Role of Muscle Tensing on the Force-Deflection Response of the Thorax and a Reassessment of Frontal Impact Thoracic Biofidelity Corridors,” Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, Vol. 220, No. 7, pp. 853–868, 2006.

    Google Scholar 

  33. Hansen, U., Zioupos, P., Simpson, R., Currey, J. D., and Hynd, D., “The Effect of Strain Rate on the Mechanical Properties of Human Cortical Bone,” Journal of Biomechanical Engineering, Vol. 130, No. 1, Paper No. 011011, 2008.

    Google Scholar 

  34. Cavanaugh, J. M., Zhu, Y., Huang, Y., and King, A., “Injury and Response of the Thorax in Side Impact Cadaveric Tests,” SAE Technical Paper No. 933127, 1993.

    Google Scholar 

  35. Eppinger, R. H., Marcus, J. H., and Morgan, R. M., “Development of Dummy and Injury Index for Nhtsa's Thoracic Side Impact Protection Research Program,” SAE Technical Paper No. 840885, 1984.

    Google Scholar 

  36. Kallieris, D., Mattern, R., Schmidt, G., and Eppinger, R. H., “Quantification of Side Impact Responses and Injuries,” SAE Technical Paper No. 811009, 1981.

    Google Scholar 

  37. Marcus, J. H., Morgan, R. M., Eppinger, R. H., Kallieris, D., Mattern, R., and Schmidt, G., “Human Response to and Injury from Lateral Impact,” SAE Technical Paper No. 831634, 1983.

    Google Scholar 

  38. Creasy, J. D., Chiles, C., Routh, W. D., and Dyer, R., “Overview of Traumatic Injury of Thoracic Aorta,” Radiographic, Vol. 17, No. 1, pp. 27–45, 1997.

    Article  Google Scholar 

  39. Kent, R. and Crandall, J., “A Restraint-Specific Viscoelastic Structure Model of the Human Thorax,” Proc. of the 29th International Workshop on Human Subjects for Biomechanical Research, pp. 161–181, 2001.

    Google Scholar 

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Authors and Affiliations

  1. Department of Mechanical Engineering, Dankook University, 152, Jukjeon-ro, Suji-gu, Yongin-si, Gyeonggi-do, 448-701, South Korea

    In Seok Han & Young Eun Kim

  2. Department of Mechanical Engineering, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 136-701, South Korea

    Soo-won Chae

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  1. In Seok Han
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  2. Young Eun Kim
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Correspondence to Young Eun Kim.

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Han, I.S., Kim, Y.E. & Chae, Sw. Effects of aging factors on thoracic injury risk under blunt impact loading. Int. J. Precis. Eng. Manuf. 16, 813–821 (2015). https://doi.org/10.1007/s12541-015-0107-0

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  • DOI: https://doi.org/10.1007/s12541-015-0107-0

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