A force-feedback exoskeleton for upper-limb rehabilitation in virtual reality

  • Authors:
  • Antonio Frisoli;Fabio Salsedo;Massimo Bergamasco;Bruno Rossi;Maria C. Carboncini

  • Affiliations:
  • PERCRO, Scuola Superiore Sant'Anna, Pisa, Italy;PERCRO, Scuola Superiore Sant'Anna, Pisa, Italy;PERCRO, Scuola Superiore Sant'Anna, Pisa, Italy;Neurorehabilitation Unit, Department of Neuro sciences, University of Pisa, Italy;Neurorehabilitation Unit, Department of Neuro sciences, University of Pisa, Italy

  • Venue:
  • Applied Bionics and Biomechanics
  • Year:
  • 2009

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Abstract

This paper presents the design and the clinical validation of an upper-limb force-feedback exoskeleton, the L-EXOS, for robotic-assisted rehabilitation in virtual reality VR. The L-EXOS is a five degrees of freedom exoskeleton with a wearable structure and anthropomorphic workspace that can cover the full range of motion of human arm. A specific VR application focused on the reaching task was developed and evaluated on a group of eight post-stroke patients, to assess the efficacy of the system for the rehabilitation of upper limb. The evaluation showed a significant reduction of the performance error in the reaching task paired t-test, p