| Presentation | 2014-05-24 Analysis of the kinetic chain including the stretching of the chest in baseball pitching Motoki IWAHAZAMA, Toyohiko HAYASHI, Hiroshi TANAKA, Hiroki NINOMIYA, Hiroaki INUI, Masahiko KOMAI, Katsuya NOBUHARA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Baseball pitching is a coordinative movement of the lower limbs, the trunk and the upper limbs. If an appropriate coordination among them is accomplished, the motion energy of the upper limb is known to increase. Such phenomenon is called the kinetic chain. The trunk connecting the lower and upper limbs functions as a relay point in the kinetic chain. As one of the coaching terms of the trunk, the stretching of the chest is frequently used, but has been analyzed qualitatively. In order to achieve its quantitative analysis, we developed a novel parameter, denoted as S, in our previous study. In this study, we applied S into the analysis of pitching motion in order to scrutinize the kinetic chain from the lower limbs to the upper limb on the pitching side, including the stretching of the chest. The time-series analysis of the angular velocity of the body elements and the rate of the change of S suggested that the kinetic chain could occur in a sequence of the counter clockwise rotation of the chest, the shrink of the chest and the internal rotation of the shoulder. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | baseball pitching / the stretching of the chest / kinetic chain / motion capture / motion analysis |
| Paper # | MBE2014-4 |
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| Conference Information | |
| Committee | MBE |
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| Conference Date | 2014/5/17(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | ME and Bio Cybernetics (MBE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Analysis of the kinetic chain including the stretching of the chest in baseball pitching |
| Sub Title (in English) | |
| Keyword(1) | baseball pitching |
| Keyword(2) | the stretching of the chest |
| Keyword(3) | kinetic chain |
| Keyword(4) | motion capture |
| Keyword(5) | motion analysis |
| 1st Author's Name | Motoki IWAHAZAMA |
| 1st Author's Affiliation | Graduate School of Science and Technology, Niigata University() |
| 2nd Author's Name | Toyohiko HAYASHI |
| 2nd Author's Affiliation | Graduate School of Science and Technology, Niigata University:Dep. of Biocybemetics, Faculty of Engineering, Niigata University |
| 3rd Author's Name | Hiroshi TANAKA |
| 3rd Author's Affiliation | Nobuhara Hospital and Institue of Biomechanics |
| 4th Author's Name | Hiroki NINOMIYA |
| 4th Author's Affiliation | Nobuhara Hospital and Institue of Biomechanics |
| 5th Author's Name | Hiroaki INUI |
| 5th Author's Affiliation | Nobuhara Hospital and Institue of Biomechanics |
| 6th Author's Name | Masahiko KOMAI |
| 6th Author's Affiliation | Nobuhara Hospital and Institue of Biomechanics |
| 7th Author's Name | Katsuya NOBUHARA |
| 7th Author's Affiliation | Nobuhara Hospital and Institue of Biomechanics |
| Date | 2014-05-24 |
| Paper # | MBE2014-4 |
| Volume (vol) | vol.114 |
| Number (no) | 51 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |