Proceedings on Automation in Medical Engineering
Vol. 1 No. 1 (2020): Proc AUTOMED

Rehabilitation technology, ID 019

Towards a homebased wrist range-of-motion training for children with cerebral palsy

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Christina Mittag (Chair of Medical Engineering, Technische Universität Berlin), Regina Leiss (Chair of Medical Engineering, Technische Universität Berlin), Katharina Lorenz (Chair of Medical Engineering, Technische Universität Berlin), Thomas Seel (Control Systems Group, Technische Universität Berlin)

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Abstract

This paper reports early-stage development results of a home-based gamified wrist rehabilitation training system for children with cerebral palsy (CCP). We propose a system composed of a wrist-worn inertial measurement unit (IMU) and a tangible device with an embedded IMU. We introduce a quaternion-based algorithm for real-time estimation of the range of motion (RoM) covered by adduction/abduction and flexion/extension motions of the wrist. Results of an initial proof-of-concept study with approximate ground truth show that the RoM can be determined with sufficient accuracy. A gamification concept is proposed that aims at providing biofeedback as well as motivating stimuli to CCP.

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