[討論] 投球討鞭!
長久以來一直受姿勢不正確的困擾
只要投球當天姿勢不正確
手肘內側那就痛到不行
可是也會很快就好
請鞭小力點!
http://tinyurl.com/4sz4cjr
http://tinyurl.com/46qk9no
我手肘到舉起來然後勾起來90度那部份
往往是手腕先出來感覺就像打拳一樣的出來
而不是手肘先出來然後伸直投出
也有投給我朋友看!他說我從舉起到快投出前力量就收掉
然後用手投出!沒有一個連貫性!
照我目前的投法就感覺球出去前的動作都多餘了
請給建議吧!!!鞭小力點~
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