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Impact Damping

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This article relates to ISO 16840-2:2018, Clause 9

Graphic provided by the University of Pittsburgh Wheelchair and Cushion Standards Group

 

Learn more about this test:

Video

Impact Damping Overview

Sample Data

Impact Damping (wheelchairstandards.com)

Other physical and mechanical characteristics of seat cushions

Make sure to learn about the following physical and mechanical characteristics of seat cushions intended to manage tissue integrity:

Related Literature

International Organization for Standardization. ISO 16840-2: Wheelchair seating — Part 2: Determination of physical and mechanical characteristics of devices intended to manage tissue integrity – Seat cushions. Geneva, Switzerland; 2018.

Hillman SJ, Hollington J, Crossan N, Torres-Sánchez C. Correlation of ISO 16840-2: 2007 impact damping and hysteresis measures for a sample of wheelchair seating cushions. Assistive Technology. 2018 Mar 15;30(2):77-83. doi:10.1080/10400435.2016.1261963

Ferguson-Pell, M., Ferguson-Pell, G., Mohammadi, F., & Call, E. Applying ISO 16840-2 Standard to differentiate impact force dissipation characteristics of selection of commercial wheelchair cushions. J Rehabil Res Dev. 2015; 52(1), 41-51. doi:10.1682/jrrd.2014.04.0115

Sprigle S, Chung B, Meyer T. Assessment of the ISO impact damping test for wheelchair cushions. Assist Technol 2010; 22:236–44. doi:10.1080/10400435.2010.518581.

Kalliat K, Karg P, Brienza D, Arias-Guzman S, Freedman J, Delazio A. Relationship between impact damping and hysteresis wheelchair cushion performance test results. In: Proceedings of the RESNA 42nd International Conference on Technology and Disability; Toronto, Canada. Arlington, VA: RESNA Press; 2019.

Arias-Guzman S, Brienza D, Karg P. Impact damping test for wheelchair cushions: effect of calculation methods and new test metric. In: Proceedings of the RESNA 42nd International Conference on Technology and Disability; Toronto, Canada. Arlington, VA: RESNA Press; 2019.

Arias-Guzman S, Karg P, Brienza D. Applying ISO 16840-2: Literature Review. In: Proceedings of the RESNA 41st International Conference on Technology and Disability; Arlington, VA. Arlington, VA: RESNA Press; 2018.

Wheelchair & Cushion Performance Testing Standards – Guidance on interpretation of performance standards for wheelchair seat cushions. https://www.wheelchairstandards.pitt.edu/sites/default/files/fact-sheets/cpig_tabular.pdf.

Wheelchair & Cushion Performance Testing Standards – Interpreting wheelchair seat cushion performance standards.  https://www.wheelchairstandards.pitt.edu/sites/default/files/fact-sheets/cpig_with_pictures.pdf.

 

Acknowledgements

We would like to thank the University of Pittsburgh Wheelchair and Cushion Standards Group for the contribution on this topic.

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