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(Urgent!!!) To ask about the technical essentials Standing Long Jump

From the northeast pig2010-04-17 22:10:14 +0000 #1
I am a third-year middle student, now a very Huo Ji's like to know the technical essentials standing long jump.

How jump off? Landing position is what? In the air leg is? Want to give a detailed physical master guide, thank you!
Yin Tsang2010-04-17 22:12:46 +0000 #2
7 before the center of gravity moves forward , with two feet of the feet and palm support center, two feet of the pin to pull out of the forefoot force. Feet in the air to stretch forward. Upper body with abdominal contraction, when the feet touch the ground after the use of abdominal contraction to move forward to focus on pulling with the upper floor of lower extremity coordination. Do remember not to put his hands behind him, as will you touch a portion of the measurement results more harm than good. Efforts of both hands in the air to swing forward. Finally I wish you good results

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