Temporal structure of muscle synergy of human stepping leg during sit-to-walk motion

Qi An; Hiroshi Yamakawa; Atsushi Yamashita; Hajime Asama

doi:10.1007/978-3-319-48036-7_8

Temporal structure of muscle synergy of human stepping leg during sit-to-walk motion

Qi An, Hiroshi Yamakawa, Atsushi Yamashita, Hajime Asama

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

Abstract

In daily lives, humans successfully transit their motions rather than performing separate movements. It has been widely acknowledged that there are four and five modules (called muscle synergy) in human sit-to-stand and walking motions, but it was still unclear how humans activate their redundant muscles to transit their movement from sitting to walking. Therefore this study hypothesize that human sit-to-stand can be explained from muscle synergies of sit-to-stand and walking motions, and we perform the experiment to verify it. Firstly, four and five muscle synergies were obtained from sit-to-stand and walking motion, and it has been tested whether these nine synergies are applicable to sit-to-walk motion. Results showed that sit-to-walk motion were successfully explained from nine synergies. Moreover, it was shown that humans adaptively changed the activation time of each synergies to delay body extension time and to generate necessary initial momentum for the walking motion.

Original language	English
Title of host publication	Intelligent Autonomous Systems 14 - Proceedings of the 14th International Conference IAS-14
Editors	Weidong Chen, Hesheng Wang, Koh Hosoda, Emanuele Menegatti, Masahiro Shimizu
Publisher	Springer Verlag
Pages	91-102
Number of pages	12
ISBN (Print)	9783319480350
DOIs	https://doi.org/10.1007/978-3-319-48036-7_8
Publication status	Published - Jan 1 2017
Externally published	Yes
Event	14th International Conference on Intelligent Autonomous Systems, IAS 2016 - Shanghai, China Duration: Jul 3 2016 → Jul 7 2016

Publication series

Name	Advances in Intelligent Systems and Computing
Volume	531
ISSN (Print)	2194-5357

Conference

Conference	14th International Conference on Intelligent Autonomous Systems, IAS 2016
Country	China
City	Shanghai
Period	7/3/16 → 7/7/16

All Science Journal Classification (ASJC) codes

Control and Systems Engineering
Computer Science(all)

Access to Document

10.1007/978-3-319-48036-7_8

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Cite this

An, Q., Yamakawa, H., Yamashita, A., & Asama, H. (2017). Temporal structure of muscle synergy of human stepping leg during sit-to-walk motion. In W. Chen, H. Wang, K. Hosoda, E. Menegatti, & M. Shimizu (Eds.), Intelligent Autonomous Systems 14 - Proceedings of the 14th International Conference IAS-14 (pp. 91-102). (Advances in Intelligent Systems and Computing; Vol. 531). Springer Verlag. https://doi.org/10.1007/978-3-319-48036-7_8

Temporal structure of muscle synergy of human stepping leg during sit-to-walk motion. / An, Qi; Yamakawa, Hiroshi; Yamashita, Atsushi; Asama, Hajime.

Intelligent Autonomous Systems 14 - Proceedings of the 14th International Conference IAS-14. ed. / Weidong Chen; Hesheng Wang; Koh Hosoda; Emanuele Menegatti; Masahiro Shimizu. Springer Verlag, 2017. p. 91-102 (Advances in Intelligent Systems and Computing; Vol. 531).

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

An, Q, Yamakawa, H, Yamashita, A & Asama, H 2017, Temporal structure of muscle synergy of human stepping leg during sit-to-walk motion. in W Chen, H Wang, K Hosoda, E Menegatti & M Shimizu (eds), Intelligent Autonomous Systems 14 - Proceedings of the 14th International Conference IAS-14. Advances in Intelligent Systems and Computing, vol. 531, Springer Verlag, pp. 91-102, 14th International Conference on Intelligent Autonomous Systems, IAS 2016, Shanghai, China, 7/3/16. https://doi.org/10.1007/978-3-319-48036-7_8

An Q, Yamakawa H, Yamashita A, Asama H. Temporal structure of muscle synergy of human stepping leg during sit-to-walk motion. In Chen W, Wang H, Hosoda K, Menegatti E, Shimizu M, editors, Intelligent Autonomous Systems 14 - Proceedings of the 14th International Conference IAS-14. Springer Verlag. 2017. p. 91-102. (Advances in Intelligent Systems and Computing). https://doi.org/10.1007/978-3-319-48036-7_8

An, Qi ; Yamakawa, Hiroshi ; Yamashita, Atsushi ; Asama, Hajime. / Temporal structure of muscle synergy of human stepping leg during sit-to-walk motion. Intelligent Autonomous Systems 14 - Proceedings of the 14th International Conference IAS-14. editor / Weidong Chen ; Hesheng Wang ; Koh Hosoda ; Emanuele Menegatti ; Masahiro Shimizu. Springer Verlag, 2017. pp. 91-102 (Advances in Intelligent Systems and Computing).

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abstract = "In daily lives, humans successfully transit their motions rather than performing separate movements. It has been widely acknowledged that there are four and five modules (called muscle synergy) in human sit-to-stand and walking motions, but it was still unclear how humans activate their redundant muscles to transit their movement from sitting to walking. Therefore this study hypothesize that human sit-to-stand can be explained from muscle synergies of sit-to-stand and walking motions, and we perform the experiment to verify it. Firstly, four and five muscle synergies were obtained from sit-to-stand and walking motion, and it has been tested whether these nine synergies are applicable to sit-to-walk motion. Results showed that sit-to-walk motion were successfully explained from nine synergies. Moreover, it was shown that humans adaptively changed the activation time of each synergies to delay body extension time and to generate necessary initial momentum for the walking motion.",

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