The Clarification of the Strategy during Sit-to-Stand Motion from the Standpoint of Mechanical Energy Transfer

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著者

    • ANAN MASAYA
    • Department of Physical Therapy and Occupational Therapy Sciences, Graduate School of Health Sciences, Hiroshima University
    • IBARA TAKUYA
    • Department of Rehabilitation, Kawashima Orthopaedic Hospital
    • KITO NOBUHIRO
    • Department of Physical Therapy, Faculty of Health Sciences, Hiroshima International University
    • SHINKODA KOICHI
    • Department of Physical Therapy and Occupational Therapy Sciences, Graduate School of Health Sciences, Hiroshima University

抄録

[Purpose] This study aimed to clarify the motion strategy used by young healthy adults during sit-to-stand motion (STS) and to investigate the relationship between forward tilt movement by the trunk and shanks, which is considered to contribute to the forward shift of COG, and the load on the lower extremity joints accept, from the standpoint of mechanical energy flow. [Subjects] The subjects were 10 young healthy males without disease and/or present history of illnesses that would affect STS. [Methods] Three kinds of task conditions were adopted: normal STS (condition N), STS with the trunk tilted as forward as possible (condition TM), and STS with the trunk as vertical as possible (condition TV). The kinematic data during STS were collected using a three-dimensional motion analysis system, and the kinetic data were collected by force plates. [Results] The average negative power in the proximal portions of the shank under condition TV was significantly higher than that under conditions N and TM. [Conclusion] Shank forward tilt appears to be primarily a reactive movement facilitating knee extension rather than contributing to moving COG forward. Thus, less trunk forward tilt movement results in the requirement of higher ability of shank forward tilt movement.<br>

収録刊行物

  • Journal of physical therapy science

    Journal of physical therapy science 24(3), 231-236, 2012-04-30

    理学療法科学学会

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各種コード

  • NII論文ID(NAID)
    10030766662
  • NII書誌ID(NCID)
    AA10798949
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09155287
  • データ提供元
    CJP書誌  J-STAGE 
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