書誌事項
- タイトル別名
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- THREE-DIMENSIONAL DYNAMICS OF ELBOW AND SHOULDER JOINT THROWING MOTION IN RELATION TO THROWING ARM MOVEMENT AND INJURY IN BASEBALL
- トウキュウ ドウサ ニ オケル ヒジ カタカンセツ ノ 3ジゲン ドウリキガクテキ ケンキュウ トウキュウ ジョウシ ノ ウンドウ パターン ト ショウガイ ハッセイ ノ カノウセイ ト ノ カンレン
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説明
This study was designed to clarify the causes of throwing injuries of the elbow and shoulder joints in baseball. Five varsity-skilled baseball players without pain in the elbow and shoulder joints were subjects for this study. They were fixed to a chair and asked to throw a baseball using three different throwing arm movements (T0, T45, and T90) . These movements were filmed using three-dimensional DLT videography. Linked rigid-body segment inverse dynamics were then employed to determine resultant joint force and torque at the elbow and shoulder joints. Peak varus torque at the elbow joint for T90 was less than for the other movements during the acceleration phase. In the follow-through phase, however, a large anterior shear force (70 N) at the elbow, for elbow extension, was present for T90. These results indicate that T90 was a high risk movement which leads to extension injuries rather than medial tension injuries. After the ball release, a large superior shear force (118 N) at the shoulder joint was present in all movements. This superior force may result from the subacromial impingement syndrome, except for critical zones of impingement caused by the different throwing arm movements. These findings suggest that the mechanisms of throwing arm injuries are closely related to differences in throwing arm movements.
収録刊行物
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- 体力科学
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体力科学 48 (5), 583-595, 1999
一般社団法人日本体力医学会
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詳細情報 詳細情報について
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- CRID
- 1390001204920867712
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- NII論文ID
- 110001948687
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- NII書誌ID
- AN00137986
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- ISSN
- 18814751
- 0039906X
- http://id.crossref.org/issn/0039906X
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- NDL書誌ID
- 4893001
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- データソース種別
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- JaLC
- NDLサーチ
- Crossref
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