一、結論
(一)、 在踢球腳方面 1. 踢球腳的擺動策略
從動作時間來看，後擺期有明顯差異；從關節力矩來看，後擺期兩腳的力矩值有明 顯差異。因此，從兩腳的擺動的策略來說，非慣用腳沒有較大的後擺動作，並在擺動後
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期，增加擺動的範圍。但未能有效提升關節角速度，導致最後踢球瞬間的速度，並非在 最大值；相反地，慣用腳有較大的後擺與關節活動度，在屈腿期產生最大髖關節力矩，
使得膝關節角速度迅速增加足部的速度。
2. 動力鏈傳遞的流暢性
在近段—遠端的能量的傳遞，從線速度的曲線，可觀察到髖關節、膝關節與踝關節 線速度向上層遞的順序。從關節角速度的曲線來看，更可清楚發現由髖關節屈曲角速度 最大值到膝關節伸展角速度最大值，此過程中的動力鏈傳遞現象。因此，動力鏈透過屈 腿期關節力矩的轉換，從踢球腳的關節角度、關節角速度最大值、關節力矩最大值與出 現時機等因素，造就了慣用腳膝關節伸展角速度在踢球瞬間達最大值；非慣用腳因其他 因素，使得非慣用腳的踢球瞬間未必能達到關節角速度最大值。由此可證，慣用腳的動 力鏈傳遞會優於非慣用腳。而本研究也認為髖關節屈曲力矩是影響膝關節伸展角速度的 重要參數。
(二)、 在支撐腳方面 1. 著地策略
在慣用腳與非慣用腳的支撐腳比較中，並未發現太大的差異，不論在重心位移、重 心速度與關節角度的改變，在著地後緩衝階段所產生的屈曲角速度未達顯著差異，但非 慣用腳的支撐腳屈曲最大值出現的時間卻出現於著地前，非慣用腳對著地所採取的策 略，是否對於踢球腳擺動的轉換有影響，值得進一步研究。
2. 支撐腳關節力矩
為抵抗著地時地面反作用力，左腳的關節力矩明顯大於右腳，幫助受試者在踢球時 的緩衝與平衡，使得踢球腳能的平穩擊球，重心垂直位移雖無明顯差異，本研究觀察到
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膝關節支撐過程的作用，但未有更明顯的數據，能證明支撐腳平衡或協助踢球腳擺動的 功能對於球速提升的影響程度，未來研究須進一步的探討其機制。
二、建議
(一)、 踢球腳方面，從踢球腳足尖離地後，大腿的後擺動作具有增益的作用，對於教 練從事教學時，踢球腳的延展，使得大腿屈肌肌群呈現離心收縮的作用，增加能量 的儲存，增加屈腿期過程中的髖關節關節力矩，對於小腿伸展角速度有幫助。
(二)、 下肢關節協調方面，增加踢球腳髖關節伸展角度和膝關節屈曲角度，可增加關 節活動度，使得下肢擺動過程，使得角速度最大值在適當的時機（髖關節約為72％，
膝關節為99％），能讓踢球腳的最快速度與球體碰撞。
(三)、 支撐腳的作用在於緩衝與協助踢球腳的流暢，身體重心變化、關節角度、緩衝 過程關節活動度，能提供教學參考。對於支撐腳平衡機制尚未清楚，未來研究可進 一步探討。
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附錄一 實驗同意書
實驗同意書與受試者實驗須知
研究計畫名稱：女子慣用腳與非慣用腳足內側最大力量踢球運動生物力學分析 執行單位：國立台灣師範大學 運動生物力學實驗室
聯絡人：沈進益 指導教授：蔡虔祿 教授 聯絡電話：0911732276
研究目的：探討女子慣用腳與非慣用腳以足內側方式進行最大踢球之動作，在踢球腳與 支撐腳之運動力學參數的差異性。
研究流程：
準備工作：填寫資料、實驗告知、著裝、肢段測量 暖身運動：5-10 分鐘熱身與試踢
踢球實驗：拍攝足內側踢球動作
研究益處：一、對於足球研究之貢獻；二、瞭解自己肌力、球速、動作變化之表現情況；
三、受試者酬資。
研究潛在風險：本實驗非侵入式實驗，無潛在之風險。個人資料亦受保密，拍攝之影片 僅有身體光點，沒有臉部或身體其他特徵資料。
受試者個資隱密性：對於實驗資料僅作為實驗分析使用，不做為其他任何目的使用。
受試者權益：您可自由決定是否參與本研究之實驗，過程中若感不適，您不需任何理由，
可隨時退出實驗，並且不會發生任何的不愉快及不良的後果。
已閱讀以上受試者實驗須知與實驗內容，同意進行實驗所述之方式。
受試者簽名： 電話： email:
日期： 2018 年 月 日
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109 SD 7.881959 3.5471895 2.66346 2.434889 非慣用腳 SD 14.42844 5.481542 5.554391 4.911694
關節力矩最大值出現時間（％）
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SD 12.02018 8.1659309 1.282166 10.74103
非慣用腳 SD 8.749317 9.048338 2.566349 7.642844
支撐腳關節角度-著地瞬間(°)
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p7 77.94 93.02 31.41 195.06 51.00 p8 20.37 63.15 57.27 191.61 53.53 mean 29.14 61.56 37.32 142.50 49.93 SD 24.48 17.28 9.29 44.74 9.62