Muscle Strength Estimation Using Musculo-Skeletal Model for Upper Limb Rehabilitation

Tatsuya Okada; Takashi Imamura; Takanori Miyoshi; Kazuhiko Terashima; Yoshifumi Yasuda; Takuo Suzuki

doi:10.20965/jrm.2008.p0863

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JRM Vol.20 No.6 pp. 863-871

doi: 10.20965/jrm.2008.p0863

(2008)

Paper:

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Muscle Strength Estimation Using Musculo-Skeletal Model for Upper Limb Rehabilitation

Tatsuya Okada^, Takashi Imamura^, Takanori Miyoshi^,
Kazuhiko Terashima^, Yoshifumi Yasuda^**,
and Takuo Suzuki^*

^*Department of Production Systems Engineering, Toyohashi University of Technology

^**Health Science Center, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi 441-8580, Japan

Received:

April 2, 2008

Accepted:

June 29, 2008

Published:

December 20, 2008

Keywords:

Musculo-skeletal model, EMG, MRI, muscle strength, output force

Abstract

This article proposes a new muscle strength estimation method for upper limbs. It uses an inverse model of a musculo-skeletal model based on the muscle force applied on joints as well as the arrangement of the muscles. We did basic analyses of the parameters of the shape of a living body from magnetic resonance imaging (MRI) images and electromyography (EMG) in order to express isometric motion using the musculo-skeletal model. The model shows high reproducibility of a living body's isometric motion. We propose two easy methods of estimating muscle strength without optimization calculations and using a model which is the inverse of the musculo-skeletal model: a method based on output force distribution and a method based on joint torque distribution. We have validated them via experiments.

Cite this article as:

T. Okada, T. Imamura, T. Miyoshi, K. Terashima, Y. Yasuda, and T. Suzuki, “Muscle Strength Estimation Using Musculo-Skeletal Model for Upper Limb Rehabilitation,” J. Robot. Mechatron., Vol.20 No.6, pp. 863-871, 2008.

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References

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[4] T. Oshima, T. Fujikawa, and M. Kumamoto, “Functional Evaluation of Effective Muscular Strength Based on a Muscle Coordinate System Composed of Bi-articular and Mono-articular Muscles. Simplified Measurement Technique of Output Force Distribution Journal of the Japan Society of Precision Engineering, Vol.67, No.6, pp. 944-948, 2001.
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This article is published under a Creative Commons Attribution-NoDerivatives 4.0 Internationa License.

[1] [1] N. Chino, “Modern rehabilitation medicine,” KANEHARA & Co., LTD, pp. 213-235, 1999.

[2] [2] I. Nara and T. Okanishi, “Muscular power,” Ishiyaku Publishers, Inc., 2004.

[3] [3] M. Kumamoto, T. Oshima, and T. Yamamoto, “Control properties induced by the existence of antagonistic pairs of bi-articular muscles-mechanical engineering model analyses,” Human Movement Science, Vol.13, pp. 611-634, 1994.

[4] [4] T. Oshima, T. Fujikawa, and M. Kumamoto, “Functional Evaluation of Effective Muscular Strength Based on a Muscle Coordinate System Composed of Bi-articular and Mono-articular Muscles. Simplified Measurement Technique of Output Force Distribution Journal of the Japan Society of Precision Engineering, Vol.67, No.6, pp. 944-948, 2001.

[5] [5] T. Oshima, K. Toriumi, T. Fujikawa, and M. Kumamoto, “Functionally Effective Muscular Strength (FEMS) Program and its application Based on Coordinate Control Model,” 1st Workshop on Application of bi-articular muscle, 2004.

[6] [6] http://www.musculographics.com/

[7] [7] H. Gomi, “Human-Arm Muscle Coordination Examined by Directional Preference of Muscle Activation during Multijoint Force Regulation Tasks,” Transactions of the Institute of Electronics, Information and Communication Engineers, D-2, Information and Systems 2, Vol.J84-D-II, No.4, pp. 728-736, 2001.

[8] [8] K. Hase, M. Kaya, N. Yamazki, B. Andrews, A. B. Zavatsky, and S. E. Halliday, “Biomechanics of Rowing,” JSME Int. journal, Series C, Vol.45, No.4, pp. 1073-1081, 2002.

[9] [9] Boris I. Prilutsky and Robert J. Gregor, “Analysis of Muscle Coordination Strategies in Cycling,” IEEE Transactions on Rehabilitation Engineering, Vol.8, No.3, pp. 362-370, 2000.

[10] [10] T. Inumaru, M. Ikuta, K. Shibata, and S. Nishimura, “An optimization-based model for analyzing the exertion of force vector at the human upper limb,” Journal of the Tsuruma Health Science Society,” Vol.29, No.1, pp. 69-76, 2005.

[11] [11] Th. Hettinger (Translated by M. Ikai, H. Matsui), “Isometrisches Muskeltraining,” TAISHUKAN Publishing Co., Ltd., 1974.

[12] [12] S. Yamada and T. Fukunaga, “Biochemical and physiological adaptations to physical training in skeletal muscle,” NAP Limited, 1996.

Muscle Strength Estimation Using Musculo-Skeletal Model for Upper Limb Rehabilitation

Tatsuya Okada*, Takashi Imamura*, Takanori Miyoshi*, Kazuhiko Terashima*, Yoshifumi Yasuda**, and Takuo Suzuki*

Tatsuya Okada^, Takashi Imamura^, Takanori Miyoshi^,
Kazuhiko Terashima^, Yoshifumi Yasuda^**,
and Takuo Suzuki^*