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JRM Vol.30 No.5 pp. 729-739
doi: 10.20965/jrm.2018.p0729
(2018)

Paper:

Supporting Effects on Muscles of a Motion Assistive Wear Depending on the Fixture Position

Kazunori Ogawa*1,*2, Akito Kadowaki*1, Koji Shimatani*3, Masaki Hasegawa*3, Keita Takahashi*1, Toshio Tsuji*1, and Yuichi Kurita*1,*4

*1Graduate School of Engineering, Hiroshima University
1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 739-8527, Japan

*2Daiya Industries Co., Ltd.
1125 Koshinden, Minami-ku, Okayama-shi, Okayama 701-0203, Japan

*3Prefectural University of Hiroshima
1-1 Gakuen-machi, Mihara City, Hiroshima 723-0053, Japan

*4PRESTO (Sakigake), Japan Society and Technology Agency (JST)
7 Gobancho, Chiyoda-ku, Tokyo 102-0076, Japan

Received:
May 17, 2018
Accepted:
August 31, 2018
Published:
October 20, 2018
Keywords:
simulation, motion assistive wear, gait augmentation, musculoskeletal model, EMG
Abstract
Supporting Effects on Muscles of a Motion Assistive Wear Depending on the Fixture Position

Supporting effects on muscles of a motion assistive wear

As muscle weakness due to aging or fatigue potentially increases the risk of injuries or accidents, support wears may be needed that can play a role in assisting various motions. Recently, research and development of such support wears have gained momentum in order to measure a variety of their supporting effects. While in the research stage, they are designed and evaluated on the premise that they are carefully adjusted to fit the specific wearers’ physiques. However, in actually producing and using such support wears on sites, they pose a problem in that their supporting effects cannot sufficiently be felt because they are difficult to fix, or because they do not fit all body sizes. Therefore, in this study, we have quantitatively evaluated their assisting effects using simulations with a musculoskeletal model with a built-in functional underwear with support parts. In particular, we evaluated whether any differences in arrangement of support parts on the human body, due to their different fixture methods, will have an effect on their assisting effects. We have also developed a support wear, with easy to adjust support parts and fixture positions, and have verified the abovementioned simulation accuracies by myoelectric measurements. This verification found that the proposed simulation method can predict, to some extent, the impacts of any deviations in the support parts’ positions and their assisting effects.

Cite this article as:
K. Ogawa, A. Kadowaki, K. Shimatani, M. Hasegawa, K. Takahashi, T. Tsuji, and Y. Kurita, “Supporting Effects on Muscles of a Motion Assistive Wear Depending on the Fixture Position,” J. Robot. Mechatron., Vol.30, No.5, pp. 729-739, 2018.
Data files:
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Last updated on Nov. 16, 2018