標槍投擲主要受到出手速度與出手角度的因素影響，而標槍投擲動作的流暢性受到身體各肢斷的影響甚大。目的：將針對我國優秀標槍運動員，找出其投擲技術的問題，以利技術之調控，提升運動成績。方法：受試者對象為全國大專運動會第一名之優秀標槍選手，利用高速攝影機蒐集選手之在比賽的動作，並利用Kwon 3D 進行分析，分析運動學相關參數，最後以描述性統計呈現其運動學之差異。結果：優秀運動員標槍投擲有較少的最後第三步、最後第二步及最後第一步著地時間著，及投擲標槍之出手角度為33~37 度間搭配出手高度180~185 公分間會產生較佳的標槍投擲距離。結論：比較國內外優秀標槍運動員，著地時間及出手高度是造成成績差異之原因，國外優秀標槍選手之著地時間均小於國內優秀標槍選手，其出手角度國外優秀標槍選手之出手角度(45 度內)均大於國內優秀標槍選手一。

Javelin throw hinges mainly on factors concerning the speed and angle of release, with its rhythm highly relying on kinetic movements.
Purpose: The purpose is to pinpoint possible technical problems of superior athletes in their javelin throwing, thus enabling adjustments of skills and enhance overall performance. Method: The research object is a javelin champion from the National College Athletic Games. During the game, a high-speed camera was used to capture the athlete’s movements, which then underwent Kwon 3D analysis, yielding correlation parameter in kinematics. Descriptive statistics would then present kinematics differences. Results: Superior javelin athletes tend to have shorter step contact time on the field in all three last steps of throwing. The optimum throwing distance combine 33-37 degrees of throwing angle with the height of release ranging from 180 to 185 centimeters high. Step contact time and throwing angle cause main differences between foreign and domestic athletes, foreign athletes execute shorter step contact time and higher angle of release (lower than 45 degrees) compare to domestic athletes.

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