Objective measurement of dynamic balance function by the simultaneous measurement of the center of gravity (COG) and center of pressure (COP)

Masahiko Mukaino, Fumihiro Matsuda, Ryoma Sassa, Kei Ohtsuka, Nobuhiro Kumazawa, Kazuhiro Tsuchiyama, Shigeo Tanabe, Eiichi Saitoh

研究成果: Conference contribution

抜粋

Although a posturography is commonly used for objective evaluation of static balance function, dynamic balance function is usually evaluated only with clinical scales. Simplified objective measurement systems for the evaluation of dynamic balance function need to be developed. In this preliminary study, we attempted to develop an index for the objective measurement of dynamic balance function from COP-COG data. The subjects comprised nine hemiparetic post-stroke patients and five healthy subjects. The simultaneous measurements of COG and COP were performed using a three-dimensional motion analysis system (Kinema-tracer, KisseiComtec, Japan) combined with force plate analysis. As indices for evaluating dynamic balance function, the latency of COP passing COG after heel contact (LCP) and the averaged |COP| − |COG| subtraction value during stance phase (ASV) were calculated. For evaluating validity of the measurement, the Berg Balance Scale, a frequently used clinical balance scale, was used. The results showed significant differences (0.13 ± 0.02 vs. 0.29 ± 0.23 s) between the healthy subjects and patients in LCP, and large, yet insignificant, differences (4.3 ± 0.5 vs. 2.7 ± 2.0 cm) in ASV. The ASV was strongly correlated with BBS. A strong correlation was observed between COG acceleration and ASV, except in one patient, who had a severe balance disorder. These results may encourage further investigation into the feasibility of COP-COG measurements for balance measurement.

元の言語English
ホスト出版物のタイトルIntelligent Autonomous Systems 14 - Proceedings of the 14th International Conference IAS-14
編集者Weidong Chen, Hesheng Wang, Koh Hosoda, Emanuele Menegatti, Masahiro Shimizu
出版者Springer Verlag
ページ69-75
ページ数7
ISBN(印刷物)9783319480350
DOI
出版物ステータスPublished - 01-01-2017
イベント14th International Conference on Intelligent Autonomous Systems, IAS 2016 - Shanghai, China
継続期間: 03-07-201607-07-2016

出版物シリーズ

名前Advances in Intelligent Systems and Computing
531
ISSN(印刷物)2194-5357

Other

Other14th International Conference on Intelligent Autonomous Systems, IAS 2016
China
Shanghai
期間03-07-1607-07-16

    フィンガープリント

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Computer Science(all)

これを引用

Mukaino, M., Matsuda, F., Sassa, R., Ohtsuka, K., Kumazawa, N., Tsuchiyama, K., Tanabe, S., & Saitoh, E. (2017). Objective measurement of dynamic balance function by the simultaneous measurement of the center of gravity (COG) and center of pressure (COP). : W. Chen, H. Wang, K. Hosoda, E. Menegatti, & M. Shimizu (版), Intelligent Autonomous Systems 14 - Proceedings of the 14th International Conference IAS-14 (pp. 69-75). (Advances in Intelligent Systems and Computing; 巻数 531). Springer Verlag. https://doi.org/10.1007/978-3-319-48036-7_6