投棒球球速很慢 - 啞鈴
By Erin
at 2011-05-10T00:00
at 2011-05-10T00:00
Table of Contents
大家好.我最近喜歡上了棒球,可是投球球速卻很慢目前國三身高180體重9x力氣也算還蠻大的起碼比腕力或是啞鈴什麼的都不會覺得很困難(甚至覺得有點輕鬆)可是前幾天去大魯閣測球速的時候,只有66km/h,可是控的不錯,球路很有變化我知道算很慢了......可是身邊有很多瘦弱的同學卻都投的很快而且我去大魯�
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啞鈴
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