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Neurorehabilitation and Neural Repair
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*Movement Disorders
*Stroke
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Article

Assessing Mechanisms of Recovery During Robot-Aided Neurorehabilitation of the Upper Limb

R. Colombo, MEng1*, F. Pisano, MD2, S. Micera, PhD3, A. Mazzone4, C. Delconte, PT2, M. C. Carrozza, PhD3, P. Dario, PhD3, and G. Minuco, MEng4

1 "Salvatore Maugeri" Foundation, IRCCS, Service of Bioengineering, Veruno (NO), Italy
2 the Division of Neurology, Veruno (NO), Italy
3 the ARTS Lab, Scuola Superiore Sant’Anna, Polo Sant’Anna Valdera, Pontedera (Pisa, I), Italy
4 the "Salvatore Maugeri" Foundation, IRCCS, Service of Bioengineering, Veruno (NO), Italy

* To whom correspondence should be addressed. E-mail: rcolombo{at}fsm.it.


  Abstract
Objective. The present study aimed to qualify and quantify the different components of motor recovery in a group of stroke patients treated by robot-aided techniques. In addition, the learning model of each motor recovery component was analyzed. Methods. Two groups of poststroke patients were treated with the use of an elbow-shoulder manipulator, respectively, within (recent) and after (chronic) the first 6 months of their cerebrovascular accident. Both groups were evaluated by means of standard clinical assessment scales and a robot-measured evaluation method. Results. These findings confirm that motor training consisting of voluntary movements assisted by the robot device led to significant improvements in motor performance in terms of the kinematic and dynamic components of the arm movements. This corresponded to improvement of impairment as confirmed by the clinical scale results. Conclusions. Knowledge of the recovery components and of the associated performance acquisition model may be useful in assessing and training stroke patients and should make it possible to precisely plan and, if necessary, modify the rehabilitation strategies.

First published on July 11, 2007, doi:10.1177/1545968307303401

Neurorehabilitation and Neural Repair 2008;22:50.

A more recent version of this article appeared on February 1, 2008

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