※ 引述《xdai ( )》之銘言：
: 沒有適當的場地，所以不是錄得很清楚。
: 請各位盡量給點意見，感謝大家。
: http://www.youtube.com/watch?v=QGUcvj0HJAA
you release your ball way too early.
watch this
http://planestrain.myphotoalbum.com/view_photo.php?set_albumName=album01&id=5_G
try to release your ball like this
in order to do this, your body has to follow and you can use
more your body strength.
your forearm is too flat and your elbow straightens too early.
watch this. good example worthwhile to imitate
http://planestrain.myphotoalbum.com/view_photo.php?set_albumName=album01&id=1_G
i feel you have a strong, soft arm but you just
have no idea how to use it.
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