PMID: 9184899Jun 1, 1997Paper

Uncertainty analysis for wheelchair propulsion dynamics

IEEE Transactions on Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
R A CooperS D Shimada

Abstract

Wheelchair propulsion kinetic measurements require the use of custom pushrim force/moment measuring instruments which are not currently commercially available. With the ability to measure pushrim forces and moments has come the development of several dynamic metrics derived for analyzing key aspects of wheelchair propulsion. This paper presents several of the equations used to calculate or derive the primary variables used in the study of wheelchair propulsion biomechanics. The uncertainties for these variables were derived, and then numerically calculated for a current version of the SMARTWheel. The uncertainty results indicate that the SMARTWheel provides data which has better than 5 to 10% uncertainty, depending upon the variable concerned, at the maximum, and during most of the propulsion phase the uncertainty is considerably smaller (i.e., approximately 1%). The uncertainty analysis provides a more complete picture of the attainable accuracy of the SMARTWheel and of the degree of confidence with which the data can be recorded. The derivations and results indicate where improvements in measurement of wheelchair propulsion biomechanical variables are likely to originate. The most efficient approach is to address those variab...Continue Reading

References

Jul 1, 1990·Medical & Biological Engineering & Computing·R NiesingC J Snijders
Jan 1, 1989·Journal of Medical Engineering & Technology·L H van der WoudeR H Rozendal
Dec 1, 1993·IEEE Transactions on Bio-medical Engineering·K T AsatoJ F Ster
Feb 1, 1996·Archives of Physical Medicine and Rehabilitation·S J MulroyJ Perry
Sep 1, 1996·IEEE Transactions on Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society·R A CooperS D Shimada
Sep 1, 1996·Archives of Physical Medicine and Rehabilitation·R N RobertsonS D Shimada

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Citations

Jan 22, 2002·Medical Engineering & Physics·L H van der WoudeL A Rozendaal
Jan 31, 2013·Journal of Neuroengineering and Rehabilitation·Riemer J K VegterLucas H V van der Woude
Dec 28, 2006·IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society·Rory A CooperDiane M Collins
Jan 29, 2013·Medical Engineering & Physics·Joseph M MunarettoPhilip S Requejo
Jul 17, 2013·Archives of Physical Medicine and Rehabilitation·Laura A RiceMichael L Boninger
Aug 7, 2009·Prosthetics and Orthotics International·Rory A Cooper
Jan 25, 2002·American Journal of Physical Medicine & Rehabilitation·Rachid AissaouiJean Dansereau

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