[請益] 請幫我看打擊動作
http://0rz.tw/144Xh
感覺有時候力道延伸不完全
揮棒時會擔心提早放掉左手的話擊球力道會變小
自己看了自己的動作
問題是出在腰部的旋轉嗎?
煩請大大們解惑, 謝謝:)
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