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運動與休閒學院
體育與運動科學系
學位論文
學位論文
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73910
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search.filters.author.Chen, Zhong-Yu
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search.filters.author.陳仲裕
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search.filters.subject.kinematic
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search.filters.subject.motion analysis
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search.filters.subject.overhead throwing
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search.filters.subject.動作分析
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search.filters.subject.運動學
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以主成份分析探討優秀標槍選手標槍投擲技術
(
2019
)
陳仲裕
;
Chen, Zhong-Yu
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近年來我國標槍選手在國際比賽中屢屢創下佳績,其投擲技術的優劣取決於投擲瞬間全身肢段間協調能力,將標槍以最有效的方式投擲出手。目的:藉由統計分析探討影響標槍投擲技術的關鍵因素,提供教練與選手往後在技術上的調整與提昇表現。方法:9位國內甲組優秀標槍選手在田徑場上實際進行投擲,收取成功的六次投擲動作並紀錄成績,分析投擲成績最佳與最差的運動學參數並進行成對樣本t檢定與主成份分析,顯著水準為α = .05。結果:投擲成績最佳與最差的運動學參數在配對t檢定中並無達到顯著差異。透過主成份分析將可將運動學12維的資料縮減至4個主成份,並可解釋 80% 以上的動作差異,投擲成績較佳與較差的第一主成份內容皆包含肩關節角度與投擲步步距。結論:在投擲成績最佳與最差的運動學上並無差異,肩關節角度與投擲步步距確實對標槍投擲技術有相當重要的影響,或許未來研究可以朝這兩個部分多加探討。
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