Identification and Validation of FES Physiological Musculoskeletal Model in Paraplegic Subjects

Mourad Benoussaad 1, * Mitsuhiro Hayashibe 1 Charles Fattal 2 Philippe Poignet 1 David Guiraud 1
* Corresponding author
1 DEMAR - Artificial movement and gait restoration
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : The knowledge and prediction of the behavior of electrically activated muscles are important requisites for the movement restoration by FES in spinal cord injured subjects. The whole parameter's identification of a physiological musculoskeletal model for FES is investigated in this work. The model represents the knee and its associated quadriceps muscle. The identification protocol is noninvasive and based on the in-vivo experiments on paraplegic subjects. The isometric and nonisometric data was obtained by stimulating the quadriceps muscles of 3 paraplegic subjects through surface electrodes. A cross validation has been carried out using nonisometric data set. The normalized RMS errors between the identified model and the measured knee response are presented for each subject.
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Mourad Benoussaad, Mitsuhiro Hayashibe, Charles Fattal, Philippe Poignet, David Guiraud. Identification and Validation of FES Physiological Musculoskeletal Model in Paraplegic Subjects. EMBC: Engineering in Medicine and Biology Conference, Sep 2009, Minneapolis, MN, United States. pp.6538-6541, ⟨10.1109/IEMBS.2009.5334507⟩. ⟨lirmm-00413465⟩

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