goodhope8882010-01-27 13:01:28 +0000 #1
First practice of what to practice what is, what is the final practice. . .
guoqi63702010-01-27 13:06:43 +0000 #2
first necessary to toe on the starting platform outside, and then knees (very critical), the next step is the center of gravity forward, when the center of gravity in a pond within the article sets out the starting time to tread, go out when the legs to keep straight