A kinetic analysis of manual wheelchair propulsion during start-up on select indoor and outdoor surfaces
Model System:
SCIReference Type:
JAAccession No.:
1539Journal:
J Rehabil Res Dev
Year, Volume, Issue, Page(s):
, 42, 4, 447-458Publication Website:
Abstract:
The objective of this study was to conduct a kinetic analysis of manual wheelchair propulsion during start-up on select indoor and outdoor surfaces. Eleven manual wheelchairs were fitted with a SMART(Wheel) and their users were asked to push on a course consisting of high- and low-pile carpet, indoor tile, interlocking concrete pavers, smooth level concrete, grass, hardwood flooring, and a sidewalk with a 5-degree grade. Peak resultant force, wheel torque, mechanical effective force, and maximum resultant force rate of rise were analyzed during start-up for each surface and normalized relative to their steady-state values on the smooth level concrete. Additional variables included peak velocity, distance traveled, and number of strokes in the first 5 s of the trial. We compared biomechanical data between surfaces using repeated-measures mixed models and paired comparisons with a Bonferroni adjustment. Applied resultant force (p = 0.0154), wheel torque (p
Author(s):
Koontz, A. M., Cooper, R. A., Boninger, M. L., Yang, Y., Impink, B. G., van der Woude, L. H.