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BioMed Research International
Volume 2014, Article ID 904985, 11 pages
Research Article

Kinematic Metrics Based on the Virtual Reality System Toyra as an Assessment of the Upper Limb Rehabilitation in People with Spinal Cord Injury

1Biomechanics and Technical Aids Department, National Hospital for Spinal Cord Injury, Finca la Peraleda s/n, 45071 Toledo, Spain
2Indra Sistemas, Avenida de Bruselas, 33-35, Alcobendas, 28108 Madrid, Spain

Received 27 December 2013; Revised 11 February 2014; Accepted 20 February 2014; Published 23 April 2014

Academic Editor: Alessandro De Mauro

Copyright © 2014 Fernando Trincado-Alonso et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The aim of this study was to develop new strategies based on virtual reality that can provide additional information to clinicians for the rehabilitation assessment. Virtual reality system Toyra has been used to record kinematic information of 15 patients with cervical spinal cord injury (SCI) while performing evaluation sessions using the mentioned system. Positive correlation, with a moderate and very strong association, has been found between clinical scales and kinematic data, considering only the subscales more closely related to the upper limb function. A set of metrics was defined combining these kinematic data to obtain parameters of reaching amplitude, joint amplitude, agility, accuracy, and repeatability during the evaluation sessions of the virtual reality system Toyra. Strong and moderate correlations have been also found between the metrics reaching and joint amplitude and the clinical scales.