Spasticity mathematical modelling in compliance with modified ashworth scale and modified tardieu scales

Noor Ayuni Che Zakaria; Takashi Komeda; Cheng Yee Low; Fazah Akhtar Hanapiah; Kaoru Inoue

doi:10.1109/ICCAS.2015.7364673

Spasticity mathematical modelling in compliance with modified ashworth scale and modified tardieu scales

Noor Ayuni Che Zakaria, Takashi Komeda, Cheng Yee Low, Fazah Akhtar Hanapiah, Kaoru Inoue

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

11 Citations (Scopus)

Abstract

The aim of this work is to formulate a spasticity symptoms-oriented model, in terms of its capability to consistently emulate unidirectional and velocity-dependent spasticity symptoms, based on a Modified Tardieu Scale (MTS). Spasticity stiffness can be simulated using two dynamic equations expressing 1) muscle tone catch during passive stretching at different velocities and 2) resistance through Range Of Motion (ROM). Muscle tone is proportionate to velocity; where muscle resistance is constant until reaching a certain angular velocity. Following different Modified Ashworth Scale (MAS) levels, muscle resistance can occur at varying degrees through the ROM. The simulated spasticity of MAS 1+, based on the developed model, shows a strong positive linear correlation coefficient with average r = 0.7414 for fast forearm extension. The derived model will be used to develop new principles of variable stiffness actuation in an upper limb part-task trainer that is able to emulate upper limb spasticity symptoms.

Original language	English
Title of host publication	ICCAS 2015 - 2015 15th International Conference on Control, Automation and Systems, Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1893-1897
Number of pages	5
ISBN (Print)	9788993215090
DOIs	https://doi.org/10.1109/ICCAS.2015.7364673
Publication status	Published - 2015 Dec 23
Event	15th International Conference on Control, Automation and Systems, ICCAS 2015 - Busan, Korea, Republic of Duration: 2015 Oct 13 → 2015 Oct 16

Other

Other	15th International Conference on Control, Automation and Systems, ICCAS 2015
Country/Territory	Korea, Republic of
City	Busan
Period	15/10/13 → 15/10/16

Keywords

Clinical education
Modelling
Part-task trainer
Spasticity

ASJC Scopus subject areas

Control and Systems Engineering

Access to Document

10.1109/ICCAS.2015.7364673

Cite this

Zakaria, N. A. C., Komeda, T., Low, C. Y., Hanapiah, F. A., & Inoue, K. (2015). Spasticity mathematical modelling in compliance with modified ashworth scale and modified tardieu scales. In ICCAS 2015 - 2015 15th International Conference on Control, Automation and Systems, Proceedings (pp. 1893-1897). [7364673] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICCAS.2015.7364673

Spasticity mathematical modelling in compliance with modified ashworth scale and modified tardieu scales. / Zakaria, Noor Ayuni Che; Komeda, Takashi; Low, Cheng Yee et al.

ICCAS 2015 - 2015 15th International Conference on Control, Automation and Systems, Proceedings. Institute of Electrical and Electronics Engineers Inc., 2015. p. 1893-1897 7364673.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Zakaria, NAC, Komeda, T, Low, CY, Hanapiah, FA & Inoue, K 2015, Spasticity mathematical modelling in compliance with modified ashworth scale and modified tardieu scales. in ICCAS 2015 - 2015 15th International Conference on Control, Automation and Systems, Proceedings., 7364673, Institute of Electrical and Electronics Engineers Inc., pp. 1893-1897, 15th International Conference on Control, Automation and Systems, ICCAS 2015, Busan, Korea, Republic of, 15/10/13. https://doi.org/10.1109/ICCAS.2015.7364673

Zakaria NAC, Komeda T, Low CY, Hanapiah FA, Inoue K. Spasticity mathematical modelling in compliance with modified ashworth scale and modified tardieu scales. In ICCAS 2015 - 2015 15th International Conference on Control, Automation and Systems, Proceedings. Institute of Electrical and Electronics Engineers Inc. 2015. p. 1893-1897. 7364673 doi: 10.1109/ICCAS.2015.7364673

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AB - The aim of this work is to formulate a spasticity symptoms-oriented model, in terms of its capability to consistently emulate unidirectional and velocity-dependent spasticity symptoms, based on a Modified Tardieu Scale (MTS). Spasticity stiffness can be simulated using two dynamic equations expressing 1) muscle tone catch during passive stretching at different velocities and 2) resistance through Range Of Motion (ROM). Muscle tone is proportionate to velocity; where muscle resistance is constant until reaching a certain angular velocity. Following different Modified Ashworth Scale (MAS) levels, muscle resistance can occur at varying degrees through the ROM. The simulated spasticity of MAS 1+, based on the developed model, shows a strong positive linear correlation coefficient with average r = 0.7414 for fast forearm extension. The derived model will be used to develop new principles of variable stiffness actuation in an upper limb part-task trainer that is able to emulate upper limb spasticity symptoms.

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Spasticity mathematical modelling in compliance with modified ashworth scale and modified tardieu scales

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