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Anonymous
Anonymous asked in 運動棒球 · 2 decades ago

指叉球and伸卡球的球路原理?

如題

只有差在球速嗎??

但請不要亂貼網路上看不懂的文章........謝謝

1 Answer

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  • Anonymous
    2 decades ago
    Favorite Answer

    指叉球它的投球原理是藉由減少球迴轉的次數,也就是減少spin,造成嚴重的紊流,使球在接近本壘板的時候,突然失速而下墜。

    伸卡球是一種專門給(四分之三投法)、(側肩投法)、(低肩投法)等投手所使用的球路,(上肩投法偶而也有投伸卡球的,但是很少)用來取代在前述幾種投法中較無法發揮的指叉球。它的握法有很多種,其共通原則是將中指及無名指叉開,在投出時不旋轉手腕,而是以類似直球的方式投出,訣竅則是透過手指巧妙的施力,讓球從中指和無名指之間飛出,並且帶有一點點的外旋。伸卡球在接近本壘板時,會向右打者內角、左打者外角轉彎、落下,是日本側投以及下勾投手必練的利器。

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