ISS 2017 Program


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PS4.4: An Ergonomic Comparison of Three Different Seated Transport Devices

Healthcare professionals rely on seated transport devices to move patients in clinical settings. However, studies have demonstrated that caregivers risk musculoskeletal injury during their operation. This study compared differences in 22 caregiver’s trunk and upper extremity muscle activity and joint angles when operating 3 seated transport devices: one ergonomically optimized device, an industry standard device, and another commercially available device. Clinical implementation of ergonomically designed seated transport devices has potential to mitigate workplace injury among caregivers.


Learning Objectives:

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



Jefferson S. Griscavage
Human Engineering Research Laboratories
Pittsburgh, Pennsylvania
United States

Jefferson Griscavage is a senior undergraduate student studying athletic training at the University of Pittsburgh. He was a research associate at the Human Engineering Research Laboratories from August 2015-May 2016 and a research intern as part of the ASPIRE REU program for the summer of 2016. During this time Jefferson worked extensively in the data collection, processing, analysis, and write up for projects involving application of ergonomic designs in clinical transport devices.

Alicia Koontz, RET, ATP
Pittsburgh, Pennsylvania
United States

Sarah Bass
University of Pittsburgh, Human Engineering Research Laboratory
Pittsburgh, Pennsylvania
United States

Sarah is a graduate student at the University of Pittsburgh in Rehabilitation Science and Technology, with a background in bioengineering. She works at the Human Engineering Research Laboratory and her current research interests involve wheelchair propulsion biomechanics and wheelchair transfers.



    1. Lee, S.Y., Kim, S.C., Lee, M.H., & Lee, Y.I. (2013). Comparison of Shoulder and Back Muscle Activation in Caregivers According to Various Handle Heights. Journal of Physical Therapy Science, 25(10), 1231-1233.
    2. Oranye, O., Wallis, B., Roer, K., Archer-Heese, G., Aguilar, Z. (2016). Do Personal Factors or Types of Physical Tasks Predict Workplace Injury? Workplace Health and Safety, 64, 141-151.
    3. Van der Woude, L.H., Van Koningsbruggen, C.M., Kroes, A.L., & Kingma, I. (1995). Effect of push handle height on net moments and forces on the musculoskeletal system during standardized wheelchair-pushing tasks. Prosthetics and Orthotics International, 19(3), 188-201.

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