Re: [心得] 賴俊男應該遲早都會進傷兵名單吧
死亡的倒L 文章於下
http://tinyurl.com/6lzy8z
倒L 的定義大概是: 投球那隻手的手肘角度拉到跟肩膀一樣高的時候,
前臂卻垂直向下的姿勢.
並指出, 投球時擺出倒L的動作, 會使得上臂有了強迫性多餘的旋轉距離,
這使得手肘與肩膀增加了緊迫的程度, 懷疑此動作容易造成受傷.
另一個名詞 following through 意即投球後的收尾動作. 一個投手的收尾動作
如果會把投球的手臂彈起, 就表示他的緩衝動作不完全, 最後由手臂自行吸收了
強大的餘力.
※ 編輯: angusyu 來自: 220.141.135.26 (05/14 22:35)
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※ 編輯: angusyu 來自: 220.141.135.26 (05/15 01:04)
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