That's not applicable
Since we play table tennis for 1 or 2 hr per day for maximum , the result based on the long working job natures, like 8-10 hrs a day.
There are also relaxations from time to time during serve, pick ball.
My own opinion only, not to offense the post.
[ 本帖最後由 亞俊 於 2011-10-19 14:36 編輯 ]
