| Project/Area Number |
17300193
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Physical education
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| Research Institution | University of Tsukuba |
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Principal Investigator |
HASEGAWA Kiyonao University of Tsukuba, Graduate School of Comprehensive Human Sciences, Associate Professor, 大学院人間総合科学研究科, 助教授 (10147126)
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| Co-Investigator(Kenkyū-buntansha) |
KIZUKA Tomohiro University of Tsukuba, Graduate School of Comprehensive Human Sciences, Associate Professor, 大学院人間総合科学研究科, 助教授 (30323281)
MOTOYA Satoshi University of Tsukuba, Graduate School of Comprechensive Human Sciences, Assistant Professor, 大学院人間総合科学研究科, 講師 (90344879)
鞠子 佳香 筑波大学, 大学院・人間総合科学研究科, 準研究員 (60375475)
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| Project Period (FY) |
2005 – 2006
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| Project Status |
Completed (Fiscal Year 2006)
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| Budget Amount *help |
¥6,700,000 (Direct Cost: ¥6,700,000)
Fiscal Year 2006: ¥2,600,000 (Direct Cost: ¥2,600,000)
Fiscal Year 2005: ¥4,100,000 (Direct Cost: ¥4,100,000)
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| Keywords | posture-correction / children / G-ball / bounding motion / データベース / 座位姿勢 / 体力向上 / 動画配信 |
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| Research Abstract |
Bounding motion in a seated position on a G-ball for children was observed with the aim of obtaining a basic knowledge of the effect of the G-ball motion on the children 1 s sitting-posture. Dynamical and mental reflective analyses about the change in the posture before, after and during the motion were attempted.
The results are as follows.
1. The average tempo of the bounding motion for all the subjects was 109±6.2 bounds/minutes. Separately, it was 108±6.4 and 111±6.3 bounds/minutes for males and females, respectively. There was no significant difference.
2. The average value of BED (Back-Ear-Distance) in the sitting posture before and after the bounding motion was, 18.3±3.71 cm and 17.1±4.04 cm, respectively. It significantly decreased (P<0.01). Separately, BED significantly decreased both for males and females, but the decrease was more apparent for males (P<0.01) than for females (P<0.05). The average values of BED before and after the bounding motion for hump-back group were 21.8±2.53 cm and 20.3±3.84 cm, respectively. Those for the middle group were 17.3±0.96 cm and 16.3±1.57 cm. Both groups showed a significant decrease after the bounding motion (both groups P<0.01).
3. Both the values of BED at the highest and the lowest positions, averaged for every 15 bounds, showed a significant decrease as the number of bounds increased (P<0.05).
4. Mental reflection investigation executed after the exercise showed that 94.1% of the children gave a favorable answer.
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