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This article and any supplementary material should be cited as follows: Guidali M, Keller U, Klamroth-Marganska V, Nef T, Riener R. Estimating the patient’s.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Guidali M, Keller U, Klamroth-Marganska V, Nef T, Riener R. Estimating the patient’s."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Guidali M, Keller U, Klamroth-Marganska V, Nef T, Riener R. Estimating the patient’s contribution during robot-assisted therapy. J Rehabil Res Dev. 2013;50(3):379–94. http://dx.doi.org/10.1682/JRRD.2011.09.0172 Slideshow Project DOI:10.1682/JRRD.2011.09.0172JSP Estimating the patient’s contribution during robot-assisted therapy Marco Guidali, PhD; Urs Keller, MSc; Verena Klamroth-Marganska, MD; Tobias Nef, PhD; Robert Riener, PhD

2 This article and any supplementary material should be cited as follows: Guidali M, Keller U, Klamroth-Marganska V, Nef T, Riener R. Estimating the patient’s contribution during robot-assisted therapy. J Rehabil Res Dev. 2013;50(3):379–94. http://dx.doi.org/10.1682/JRRD.2011.09.0172 Slideshow Project DOI:10.1682/JRRD.2011.09.0172JSP Aim – Develop methods to quantify patient’s contribution during robot-assisted therapy by combining kinematic measures and the motor assistance applied. Relevance – Assistive robots with sophisticated controllers are used in neurorehabilitation to assist and cooperate with the patient during therapy. – Difficult for patient to judge to what extent robot contributes to execution of movement.

3 This article and any supplementary material should be cited as follows: Guidali M, Keller U, Klamroth-Marganska V, Nef T, Riener R. Estimating the patient’s contribution during robot-assisted therapy. J Rehabil Res Dev. 2013;50(3):379–94. http://dx.doi.org/10.1682/JRRD.2011.09.0172 Slideshow Project DOI:10.1682/JRRD.2011.09.0172JSP Method Created inverse dynamic models of robot and passive human arm to: – Calculate required torques to move robot and arm. – Build, together with recorded motor torque, metric (in percentage) that represents patient’s contribution to movement. Evaluated metric with 12 nondisabled subjects and 7 patients with neurological problems.

4 This article and any supplementary material should be cited as follows: Guidali M, Keller U, Klamroth-Marganska V, Nef T, Riener R. Estimating the patient’s contribution during robot-assisted therapy. J Rehabil Res Dev. 2013;50(3):379–94. http://dx.doi.org/10.1682/JRRD.2011.09.0172 Slideshow Project DOI:10.1682/JRRD.2011.09.0172JSP Results Compared results with common performance metric. Estimation shows very satisfying results for both groups, even though arm model was strongly simplified.

5 This article and any supplementary material should be cited as follows: Guidali M, Keller U, Klamroth-Marganska V, Nef T, Riener R. Estimating the patient’s contribution during robot-assisted therapy. J Rehabil Res Dev. 2013;50(3):379–94. http://dx.doi.org/10.1682/JRRD.2011.09.0172 Slideshow Project DOI:10.1682/JRRD.2011.09.0172JSP Conclusion Displaying this metric to patients during therapy might motivate them to actively participate in training.

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