棒球如何增強球速or尾勁和打擊 - 健身
By Suhail Hany
at 2013-09-15T00:00
at 2013-09-15T00:00
Table of Contents
我現在是一個剛上國一的學生我體重74kg身高170cm這個暑假我有去大魯格打擊場練習打擊和投球。1.我投球球速大約85km(沒熱身前)算快嗎?(要如何增強尾勁和求速)2.我打擊都打120或110km的球算好嗎?(要如何增強揮棒速度呢和力量)
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健身
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