違規投球(快壘) - 壘球

By Skylar Davis
at 2014-05-26T05:07
at 2014-05-26T05:07
Table of Contents
在比賽中看到別隊投手的投球動作
對於他是否有"違規投球"頗有疑惑
以下兩個影片是拍他練投時的
https://www.youtube.com/watch?v=KdXilO6aguI
https://www.youtube.com/watch?v=dWHGqAW7A_Q
主要有疑惑的點是: 這樣子到底算不算"烏鴉跳"?
參看2010~2013國際壘球規則(不確定這到底是不是最新一版的規則
規則一之20 烏鴉跳(CROW HOP):
[快式]即是投手的軸腳非以投手板蹬離,若投手軸腳離開投手板造成第二次著力點
腳離開投手板造成第二次著力點(或起點),
再以該點支撐蹬地完成投球動作,這是「違規動作」。
【註】:投手可以「跨跳(LEAPING)動作」,就是投手的軸腳蹬離投手板,致使雙腳同時
離開地面騰空,向本壘繼續移動完成投出球。此非「烏鴉跳」。
主要是覺得影片中的投手是
"腳離開投手板造成第二次著力點 再以該點支撐蹬地完成投球動作"
也就是投球時
他的右腳先向前平移數公分再投球的感覺
最後附上在網路上找到的一份2010~2013規則新修條文的檔案
http://ppt.cc/DjSb
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壘球
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