PMID: 8607744Feb 1, 1996Paper

Adding loads to occupied wheelchairs: effect on static rear and forward stability

Archives of Physical Medicine and Rehabilitation
R L KirbyDonald A MacLeod

Abstract

To determine the extent to which loads added in different positions affect the static rear and forward stability of an occupied wheelchair. Controlled, cross-over study. Loads from 0 to 10kg (in 1-kg increments) were added to five positions: high rear (HR), low rear (LR, beneath the seat and behind the crossbrace), on the lap (LAP), low anterior (LA, beneath the seat and anterior to the crossbrace), and on the footrests (FR). We also used a computer model to evaluate the relationship between stability and load, with a range of loads (0 to 100kg, in 10-kg increments) beyond the loads that were practical to test empirically. On a tilting platform, we measured the static stability (in degrees) of a wheelchair occupied by an anthropomorphic test dummy (ATD). The greatest increase in rear stability was with FR loads, changes of 64% and 227% for 10-kg and 100-kg loads, respectively. Only HR loads reduced rear stability, by 32% and 64%. The greatest increase in forward stability was with LR loads, by 13% and 92%. The greatest reduction in forward stability was with FR loads, by 10% and 149%. To minimize the effect of added loads on stability, the LAP and LA positions would be preferred. Added loads affect wheelchair stability as a fun...Continue Reading

References

Aug 1, 1990·American Journal of Physical Medicine & Rehabilitation·C J Calder, R L Kirby
Jun 1, 1994·American Journal of Physical Medicine & Rehabilitation·S Ummat, R L Kirby

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Citations

Sep 6, 2002·Assistive Technology : the Official Journal of RESNA·S Pinkney, G Fernie
Sep 26, 2015·Medical Engineering & Physics·Dimitar StefanovLouise Moody
Jan 1, 2006·Disability and Rehabilitation. Assistive Technology·R Lee KirbyKim Parker
Jul 1, 1997·American Journal of Physical Medicine & Rehabilitation·J SosnerB Kahan
Aug 6, 2010·Archives of Physical Medicine and Rehabilitation·Yoshimasa SagawaAndre Thevenon

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