| Project/Area Number |
22654043
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Mathematical physics/Fundamental condensed matter physics
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| Research Institution | Yamaguchi University (2012)
Yamagata University (2010-2011) |
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Principal Investigator |
SAKAI Nobuyuki 山口大学, 大学院・理工学研究科, 教授 (00267402)
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| Project Period (FY) |
2010 – 2012
|
| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥1,900,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥600,000 (Direct Cost: ¥600,000)
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| Keywords | スポーツ動作 / 力学モデル / 物理教育 / 剛体力学 / バイオメカニクス |
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| Research Abstract |
In sports there are various coaching theories, most of which are not described with objective or scientific words. In this work we propose a theoretical method to elucidate basic mechanisms based on rigid-body mechanics, which is applicable to various sports movements. Specifically we consider throwing motion in baseball and men-uchiin kendo, and try to apply the results to sports coaching and physics education. We show the importance of hybrid effects of gravity, inertial force, restorative force of muscles and reaction of muscle contraction, which are usually unnoticed.
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