Preliminary Outcomes of the SmartWheel Users' Group Database

A Proposed Framework for Clinicians to Objectively Evaluate Manual Wheelchair Propulsion

Rachel E Cowan, Michael L. Boninger, Bonita J. Sawatzky, Brian D. Mazoyer, Rory A. Cooper

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

Cowan RE, Boninger ML, Sawatzky BJ, Mazoyer BD, Cooper RA. Preliminary outcomes of the SmartWheel Users' Group database: a proposed framework for clinicians to objectively evaluate manual wheelchair propulsion. Objectives: To describe a standard clinical protocol for the objective assessment of manual wheelchair propulsion; to establish preliminary values for temporal and kinetic parameters derived from the protocol; and to develop graphical references and a proposed application process for use by clinicians. Design: Case series. Setting: Six research institutions that collect kinetic wheelchair propulsion data and contribute that data to an international data pool. Participants: Subjects with spinal cord injury (N=128). Interventions: Subjects propelled a wheelchair from a stationary position to a self-selected velocity across a hard tile surface, a low pile carpet, and up an Americans with Disabilities Act-compliant ramp. Unilateral kinetic data were obtained from subjects using a force and moment sensing pushrim. Main Outcome Measures: Differences in self-selected velocity, peak resultant force, push frequency, and stroke length across all surfaces, relationship between (1) weight-normalized peak resultant force and self-selected velocity and (2) push frequency and self-selected velocity. Results: Graphical references were generated for potential clinical use based on the relation between body weight-normalized peak resultant force, push frequency, and velocity. Self-selected velocity decreased (ramp < carpet < tile), peak resultant forces increased (ramp > carpet > tile), and push frequency and stroke length remained unchanged when compared across the different surfaces. Weight-normalized peak resultant force was a significant predictor of velocity on tile and ramp. Push frequency was a significant predictor of velocity on tile, carpet, and ramp. Conclusions: We present preliminary data generated from a clinically practical manual wheelchair propulsion evaluation protocol and we describe a proposed method for clinicians to objectively evaluate manual wheelchair propulsion.

Original languageEnglish
Pages (from-to)260-268
Number of pages9
JournalArchives of Physical Medicine and Rehabilitation
Volume89
Issue number2
DOIs
StatePublished - Feb 1 2008
Externally publishedYes

Fingerprint

Wheelchairs
Architectural Accessibility
Databases
Stroke
Weights and Measures
Clinical Protocols
Spinal Cord Injuries
Body Weight
Outcome Assessment (Health Care)
Research

Keywords

  • Biomechanics
  • Engineering
  • Insurance
  • Rehabilitation
  • Wheelchairs

ASJC Scopus subject areas

  • Rehabilitation

Cite this

Preliminary Outcomes of the SmartWheel Users' Group Database : A Proposed Framework for Clinicians to Objectively Evaluate Manual Wheelchair Propulsion. / Cowan, Rachel E; Boninger, Michael L.; Sawatzky, Bonita J.; Mazoyer, Brian D.; Cooper, Rory A.

In: Archives of Physical Medicine and Rehabilitation, Vol. 89, No. 2, 01.02.2008, p. 260-268.

Research output: Contribution to journalArticle

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