[技術] 發球請益
最近一直被發球的問題困擾
平擊球都感覺力量沒有完全傳遞
出力下壓就掛網
稍微放鬆就噴出去
上旋發球雖然會進但跟肉包沒兩樣
都跳不起來
而且下墜幅度不大很容易出界
拍了幾段慢動作影片
請各位大大幫我看看問題點在哪
感激不盡!!!
前兩個是平擊
後兩個是上旋
https://youtu.be/lRcLpX8OkbI
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