Applications of inertial sensors in medicine: towards model-based rehabilitation of stroke

With an objective rendering of incorrect movements due to the stroke our therapists should easily be able to map which muscles are firing wrong and apply protocols to correct those individual movements. Rather than the impossible to follow, 'that movement is wrong', or ' Walk this way'.
http://www.sciencedirect.com/science/article/pii/S2405896315008502

• A. Linkel^∗, ,
• K. Daunoravičienė^∗∗, ,
• J. Griškevičius^∗∗∗, ,
• J. Žižienė^{∗∗∗∗,} ,
• A. Juocevičius^∗∗∗∗,
• I. Raudonytė^∗∗∗∗

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doi:10.1016/j.ifacol.2015.07.075

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Abstract

Present work introduces to the concept of a quantitative assessment of stroke rehabilitation using an inverse dynamical analysis and inertial sensors for measurement of motor functions in a clinical setting. The application in medicine gives possibilities to evaluate quantitatively damaged motor functions via instrumented analysis thus proposing an additional tool for monitoring of rehabilitation process with a larger accuracy. The paper presents a simplified dynamical model of an upper extremity which allows estimating joint torques via inverse dynamics from measured arm's kinematics. The model serves as an initial step going towards patient-specific model-based rehabilitation in the future.

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