[技術] 發球問題請教
最近練平擊發球有個困擾
我都從youtube學
我看職業選手發球 Ex:https://www.youtube.com/watch?v=I1-HrpUaY9U
球拍擊完球後球拍不是馬上收到腰部
而是往外畫一個半圓在收起來
我不知道是不是因為這個原因導致我發球滿慢的
本人平常有在重訓 伏地挺身20下一組可以做個100下
應該不是力量不夠的問題
假如劃一個半圓這樣不會變成打側旋嗎?
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※ 編輯: q7619713 (140.115.205.37), 04/12/2015 21:03:34
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