ISS 2017 Program


Pre-Symposium Workshop dot Symposium Day 1 dot Symposium Day 2 dot Symposium Day 3

IC01: Using The Science of Materials to Compare Wheelchair Cushions

IC01 Handouts

This program will provide foundational knowledge of an alternative approach to the way the health care community chooses various seating support surfaces when discussing skin integrity, positioning and stability. Using scientific principles, this discussion will review the materials and the various design methods used to construct cushions in order to provide specific therapeutic benefits. In addition, participants will gain a greater understanding of varying load redistribution properties used to achieve specific clinical outcomes.
This session is supported by a company with reported interest in the sale of Assistive Technology products. The content has been reviewed by ISS personnel and determined to be appropriate for continuing education purposes.


Learning Objectives:

Upon completion of this session, attendees will be able to;



Darren Hammond, MPT, PT, CWS
ROHO Institute
Belleville, Illinois
United States

W. Darren Hammond, has held clinical positions and faculty appointments in the United States for over twenty-three years. In addition to being a board Certified Wound Care Specialist, his focus of treatment has been in SCI rehabilitation. Darren has had extensive experience with seating, wound management, pressure mapping and equipment prescription. He is currently Senior Director of The ROHO Institute, where he lectures nationally and internationally on wound management, pressure imaging and seating options.



    1. Brienza, D., Kelsey, S., Karg, P., Allegretti, A., Olson, M., Schmeler, M., . . . Holm, M. (2010). A Randomized Clinical Trial on Preventing Pressure Ulcers with Wheelchair Seat Cushions. Journal of the American Geriatrics Society, 58(12), 2308-2314.
    2. Gefen, A. (2014). Tissue Changes in Patients Following Spinal Cord Injury and Implications for Wheelchair Cushions and Tissue Loading: A Literature Review. Ostomy Wound Management, 60(2), 34-45.
    3. Levy, A., Kopplin, K., & Gefen, A. (2014). An air-cell-based cushion for pressure ulcer protection remarkably reduces tissue stresses in the seated buttocks with respect to foams: Finite element studies. Journal of Tissue Viability, 23(1), 13-23.

Pre-Symposium Workshop dot Symposium Day 1 dot Symposium Day 2 dot Symposium Day 3


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