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Assessment measuring amount of shoulder motion and myographic activity for patients after rotator cuff repair

Research Project

Project/Area Number 15K01410
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Rehabilitation science/Welfare engineering
Research InstitutionTohoku University

Principal Investigator

Muraki Takayuki  東北大学, 大学病院, 理学療法士 (50404778)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2017: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords肩関節 / 腱板断裂 / 加速度計 / 筋電図計 / 活動量 / 筋活動 / 筋活動量 / 運動量
Outline of Final Research Achievements

It is unclear how much patients use the involved shoulder after rotator cuff repair in their day life. The purpose of this study was to measure shoulder activity and EMG activity of the deltoid muscle in patients after rotator cuff repair at several time points and to compare them with the shoulder and muscle activities in healthy subjects.
We recruited 25 patients after rotator cuff repair and 10 healthy subjects in this study. Data loggers for accelerometer and EMG were used to measure shoulder activity and EMG activity of the middle deltoid. The measurements were continuously performed more than 8 hours in a day. Each parameter in patients 1, 3, and 6 months after the surgery was compared with that in healthy subjects. This study demonstrated that shoulder activity reached at level of uninvolved side from 3 months after rotator cuff repair. Conversely, larger EMG activity of the middle deltoid was shown from 1months after the surgery.

Report

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

    (1 results)

All 2017

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

  • [Presentation] Recovery of Shoulder Activity in patients after rotator cuff repair2017

    • Author(s)
      Takayuki Maraki
    • Organizer
      Shoulder Rehabilitation Conference: New Discoveries and Future Directions 2017
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited

URL: 

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

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