Clarification of relationship of between peripheral and central fatigue
| Project/Area Number |
22800090
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Single-year Grants |
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| Research Field |
Sports science
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| Research Institution | National Institute of Technology, Kumamoto College (2011-2012)
National Agency for the Advancement of Sports and Health (2010) |
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Principal Investigator |
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| Project Period (FY) |
2010 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥3,029,000 (Direct Cost: ¥2,330,000、Indirect Cost: ¥699,000)
Fiscal Year 2011: ¥1,417,000 (Direct Cost: ¥1,090,000、Indirect Cost: ¥327,000)
Fiscal Year 2010: ¥1,612,000 (Direct Cost: ¥1,240,000、Indirect Cost: ¥372,000)
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| Keywords | MRI / T_1 / 脳血流 / 筋疲労 / T1 / T2 / 筋電図 |
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| Research Abstract |
Longitudinal relaxation time (T_1) determined by 3.0-T magnetic resonance imaging of the tibialis anterior and extensor digitorum longus muscles increased gradually with muscle fatigue caused by three 120-s periods of repeated ankle dorsiflexion separated by 5洋in rest periods. T_1 values decreased in the recovery period, although they remained higher than the preexercise values. T_1 values for the soleus muscle were unchanged throughout the experiment. Results suggest that muscle T_1 values increase with increasing muscle fatigue.
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Report
(3 results)
Research Products
(4 results)
