[請益] 投球右肩很痛
目前球速大約八九十
最快100
身高177 體重55
想請教一下要如何有效的提升球速
順便請問我投球姿勢哪裡不正確 會造成每次長傳都會很痛
上肩投就會很痛 四分之三就比較不會
以下是我丟威浮球的影片
http://www.wretch.cc/album/show.php?i=otonik&b=2&f=1277376519&p=0
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.115.205.171
※ 編輯: otonik 來自: 140.115.205.171 (12/28 13:36)
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