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題 名 | 男子網球選手正手拍擊球動作之上肢肌肉活化分析=Muscle Activity in the Upper Extremities of Male Tennis Players during Forehand Strokes |
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作 者 | 范姜昕辰; 林維德; 謝寧; 陳志榮; | 書刊名 | 臺灣體育學術研究 |
卷 期 | 76 2024.06[民113.06] |
頁 次 | 頁89-104 |
分類號 | 528.953 |
關鍵詞 | 肌電圖; 加速規; 正拍底線擊球; Electromyography; Accelerometer; Forehand groundstroke; |
語 文 | 中文(Chinese) |
DOI | 10.6590/TJSSR.202406_(76).06 |
中文摘要 | 目的:本研究主要探討男子網球選手在正拍底線擊球,不同擊球目標之上肢肌群肌肉活化差異。方法:招募8名男子網球選手,使用DELSYS無線肌電儀黏貼於受試者之肱二頭肌、肱三頭肌、橈側伸腕肌與橈側屈腕肌,擷取肌肉活化程度之參數,搭配Dartfish影像分析軟體進行動作分析。使用IBM SPSS Statistics 20版本進行統計分析,不同擊球目標之肌肉活化差異使用相依t檢定,統計考驗水準定為α = 0.05。結果:比較直線與斜線不同擊球目標方式之進球率,兩者未達顯著差異。不同擊球目標之肌肉活化程度,準備期斜線擊球目標之肱二頭肌與肱三頭肌顯著大於直線擊球目標(p < .05);加速期時斜線擊球目標橈側屈腕肌顯著大於直線目標(p < .05)。結論:在正手拍揮拍型態中,加速期及跟隨期時,腕部肌群皆有較大之活化情形,而在擊球點瞬間也需要抵抗擊球震動與控制方向,因此建議教練及選手,可針對橈側伸腕肌與橈側屈腕肌加強其肌力,避免產生上肢運動傷害,若想要提升加速期揮拍速度則可優先提升肱二頭肌之肌力。 |
英文摘要 | Purpose: The present study analyzed the activation of upper limb muscles in male tennis players during forehand strokes by using electromyography to examine variations in muscle activation when shots are hit toward various targets. Methods: Delsys wireless electromyography sensors were attached to the biceps brachii, triceps brachii, extensor carpi radialis, and flexor carpi radialis of eight male tennis players to measure muscle activation levels. Dartfish video analysis software was used for motion analysis, and IBM SPSS version 20 was used for statistical analysis, with dependent t tests used to compare muscle activation variations between hitting targets. Significance was set at α = .05. Results: During preparation, the activation levels of the biceps brachii and triceps brachii were significantly higher for cross-court targets than for down-the-line targets (P < .05). Additionally, during acceleration, the activation level of the flexor carpi radialis was significantly higher for cross-court targets than for down-the-line targets (P < .05). Conclusion: No significant variation in hit ratio was observed between shots toward various targets. Greater activation of the wrist muscle group during acceleration and follow-through and at the contact point occurred because the players were resisting the ball’s influence and controlling its direction. Therefore, to avoid upper limb injuries, we suggest that coaches and players strengthen the extensor carpi radialis and flexor carpi radialis. Additionally, to improve swing speed during acceleration, we recommend strengthening the biceps brachii. |
本系統中英文摘要資訊取自各篇刊載內容。