| Project/Area Number |
21500627
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Sports science
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| Research Institution | Yokohama National University |
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Principal Investigator |
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| Project Period (FY) |
2009 – 2011
|
| Project Status |
Completed (Fiscal Year 2011)
|
| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2009: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
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| Keywords | 筋音信号 / 運動単位 / 筋音 / 活動参加 / 持続的筋力発揮 / 放電間隔 |
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| Research Abstract |
During prolonged isometric constant contraction at low level, mechanomyographic signal and its integrated value showed initial constant and then increased. It proposed the factors based on the motor unit activities to influence the mechanomyographic signal increment during the activity as follows : motor unit recruitment, motor unit firing interval changes and motor unit synchronization. However, yet not, the experimental results did reported. In the present experiments, it showed the possibility of the mechanomyographic signal increment in the motor unit recruitment, but there was no relationship between mechanomyographic signal increment and the motor unit synchronization, and motor unit firing interval changes.
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