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Converging Clinical and Engineering Research on Neurorehabilitation II pp 933–937Cite as

Different Temporal Structure of Muscle Synergy Between Sit-to-Walk and Sit-to-Stand Motions in Human Standing Leg

Part of the Biosystems & Biorobotics book series (BIOSYSROB,volume 15)

Abstract

Humans do not only perform individual motion separately, but they transit motions from one to another. It has been widely known that human sit-to-stand and walking motions are composed of four and five muscle synergies, but it is not clarified how humans utilize these muscle synergies to generate sit-to-walk motion. This study conducted a measurement experiment to identify muscle synergy structure in standing leg during the sit-to-walk motion. Results showed that the same muscle synergy of sit-to-stand and walking could explain sit-to-walk motion. Three of four synergies in sit-to-stand was not significant different but the last synergy was adaptively changed in order to shorten the time of postural stabilization to initiate stepping motion.

Research supported by JSPS KAKENHI Grant Number 15K20956, 2612005, 16H04293 and JST RISTEX Service Science, Solutions and Foundation Integrated Research Program.

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References

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Acknowledgments

Authors thank Ms. Ningjia Yang to help us performing the experiment.

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Authors and Affiliations

  1. Department of Precision Engineering, The University of Tokyo, Tokyo, Japan

    Qi An, Hiroshi Yamakawa, Atsushi Yamashita & Hajime Asama

Authors
  1. Qi An
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  2. Hiroshi Yamakawa
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  3. Atsushi Yamashita
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  4. Hajime Asama
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Corresponding author

Correspondence to Qi An .

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Editors and Affiliations

  1. Cajal Institute, Spanish National Research Council Cajal Institute, Madrid, Spain

    Jaime Ibáñez

  2. Cajal Institute, Spanish National Research Council Cajal Institute, Madrid, Spain

    José González-Vargas

  3. Avda. de la Universidad s/n, Universidad Miguel Hernández de Elche Avda. de la Universidad s/n, Elche, Spain

    José María Azorín

  4. Cullen College of Engineering, University of Houston Cullen College of Engineering, Houston, USA

    Metin Akay

  5. Cajal Institute, Spanish National Research Council Cajal Institute, Madrid, Spain

    José Luis Pons

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An, Q., Yamakawa, H., Yamashita, A., Asama, H. (2017). Different Temporal Structure of Muscle Synergy Between Sit-to-Walk and Sit-to-Stand Motions in Human Standing Leg. In: Ibáñez, J., González-Vargas, J., Azorín, J., Akay, M., Pons, J. (eds) Converging Clinical and Engineering Research on Neurorehabilitation II. Biosystems & Biorobotics, vol 15. Springer, Cham. https://doi.org/10.1007/978-3-319-46669-9_151

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  • DOI: https://doi.org/10.1007/978-3-319-46669-9_151

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-46668-2

  • Online ISBN: 978-3-319-46669-9

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