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Effect of Added Mass Location on Manual Wheelchair Propulsion Forces

  • Vitor Alcoléa
  • Fausto Orsi MedolaEmail author
  • Guilherme da Silva Bertolaccini
  • Frode Eika Sandnes
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 1026)

Abstract

This study investigated the influence of mass distribution on the handrim forces during manual propulsion in four different mobility tasks: straightforward motion at self-selected speed; straightforward sprint; zero radius turn; and circular trajectory. A foldable-frame wheelchair was instrumented with a SmartWheel system placed on the right side. Three different positions of an additional mass of 7.8 kg were investigated: in the center of the rear wheels’ axle; on the spokes of each of the two rear wheels; under the footrest. When mass is added in a centered position, there is little effect on the level of forces required to propel the chair, while when the additional mass is positioned distant to the wheelchair center, namely rear wheels’ spokes and feet support, the effect on propulsion forces is increased. Optimizing wheelchair mobility efficiency requires an understanding on the effects of changes in equipment configuration on propulsion kinetics.

Keywords

Wheelchairs Propulsion kinetics Mass distribution Mobility Wheelchair configuration 

Notes

Acknowledgments

The authors would like to thank FAPESP (Sao Paulo Research Foundation) for the financial support (Process. 16/05026-6 and Process).

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Vitor Alcoléa
    • 1
  • Fausto Orsi Medola
    • 2
    Email author
  • Guilherme da Silva Bertolaccini
    • 2
  • Frode Eika Sandnes
    • 3
    • 4
  1. 1.Department of Mechanical EngineeringSao Paulo State University (UNESP)BauruBrazil
  2. 2.Department of DesignSao Paulo State University (UNESP)BauruBrazil
  3. 3.Department of Computer ScienceOslo Metropolitan UniversityOsloNorway
  4. 4.Department of TechnologyKristiania University CollegeOsloNorway

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