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Mechanical analysis on the stability of the \!Wave backward\" and have a fight to hang again on the horizontal bar

Sun Yiguan  
With mathematical and mechanical analysis,the study suggested,during the waving arm action,trunk of body positioned at 9∶30~10 o'clock is the best moment for the bending and stretching arms.And referring to flips across bar,the bending and stretchng is supposed to be happened timingly at the trunk of body positioned at 10∶00~10∶30 o'clock,most ideal direction is at 10 o'clock,nd circular speed should be at 12.95~14.44 rad/s.However,the vertical mid air flip speed should arrange from 4.32~4.81 rad/s,after the wave movement,gravity of uprising speed is only at 3.82~4.11 ,/s,the speed of arm jerk should be between 2.35~2.52 m/s.The methods of stability training for waving techics are suggested in this article.
【CateGory Index】: G832.3
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