Effect of Tilted Ground on Muscle Activity in Human Sit-to-Stand Motion: Preliminary Result

Kazunori Yoshida, Qi An, Hiroshi Yamakawa, Yusuke Tamura, Atsushi Yamashita, Hajime Asama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, the aim is to clarify the mechanism of generating muscle activity for sit-to-stand motion by analyzing the relationship between muscle activity and sitting and standing posture. For efficient prevention and rehabilitation of disability in sit-to-stand movement, it is important to understand the control mechanism involved in the movement. To clarify the mechanism, it was hypothesized that the muscle activity involved in sit-to-stand movement is generated using sitting and standing posture as input, and the aim is to define the relationship between posture and muscle activity in sit-to-stand motion. Sit-to-stand motion in flat condition was compared with that in tilted ground condition. Through an experiment for one subject, the muscle activity contributing towards raising the hip and pushing the body forward was higher in the tilted condition than in the normal condition. This implies that human standing posture could be recognized based on the feet.

Original languageEnglish
Title of host publicationIntelligent Autonomous Systems 16 - Proceedings of the 16th International Conference IAS-16
EditorsMarcelo H. Ang Jr, Hajime Asama, Wei Lin, Shaohui Foong
PublisherSpringer Science and Business Media Deutschland GmbH
Pages341-350
Number of pages10
ISBN (Print)9783030958916
DOIs
Publication statusPublished - 2022
Event16th International Conference on Intelligent Autonomous Systems, IAS-16 2020 - Virtual, Online
Duration: 2021 Jun 222021 Jun 25

Publication series

NameLecture Notes in Networks and Systems
Volume412 LNNS
ISSN (Print)2367-3370
ISSN (Electronic)2367-3389

Conference

Conference16th International Conference on Intelligent Autonomous Systems, IAS-16 2020
CityVirtual, Online
Period21/6/2221/6/25

Keywords

  • Muscle synergy
  • Posture
  • Sit-to-Stand

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Signal Processing
  • Computer Networks and Communications

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