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Development and evaluation of Ankle-Foot Orthosis for assisting the Sit-to-Stand motion

Research Project

Project/Area Number 15K21328
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Rehabilitation science/Welfare engineering
Clinical nursing
Research InstitutionInternational University of Health and Welfare

Principal Investigator

Itokazu Masafumi  国際医療福祉大学, 成田保健医療学部, 准教授 (00611683)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2016: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords短下肢装具 / 起立動作 / 底屈補助 / ばね / 足継手 / 着座動作
Outline of Final Research Achievements

Ankle-Foot Orthosis (AFO) are often prescribed for the stroke patients to improve gait in clinical practice. However, to the best of our knowledge, limited reports exist to assist AFO for Sit-to-Stand motion (STS). In this study, we developed AFO incorporating a coil spring in ankle joint to support STS. We performed motion analysis by video and measured muscle activity of lower limbs. The results showed that there were change in the motion strategy of STS in the condition with the spring assistance. Activity of the knee joint extensor muscle and ankle joint planter flexor muscle revealed that significantly reduced. There is a need for further studies to test our findings in another age groups and more number of subjects and to develop AFO for Stand-to-Sit motion in the future.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (2 results)

All 2018 2016

All Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] Effect of Ankle-Foot Orthosis with Support Function on Muscle Activities During the Sit-to-Stand Movement in Healthy Individuals2018

    • Author(s)
      Masafumi Itokazu
    • Organizer
      3rd International Meeting of Asian Rehabilitation Science in China
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 底屈補助機能付短下肢装具が起立動作に与える影響について2016

    • Author(s)
      糸数正文
    • Organizer
      第32回日本義肢装具学会
    • Place of Presentation
      札幌
    • Year and Date
      2016-10-15
    • Related Report
      2016 Research-status Report

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Published: 2015-04-16   Modified: 2019-03-29  

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