垂直打击
- 网络Vertical Attack
垂直打击-
材料：实验于2003-10/2004-01在沈阳医学院中心实验室完成。选择健康家兔30只，雌雄不拘，随机分为垂直打击组和水平打击组，15只/组。
MATERIALS : This study was conducted in the Central Laboratory of Shenyang Medical College between October 2003 and January 2004.Totally 30 healthy rabbits of either sex were randomly divided into two equal groups to receive vertical and horizontal impact on the head .
-
为了在接触点要一致性地保持垂直，记得非打击的手在背后拉拍的低点而网拍面应该是关闭的。
To consistently be vertical at contact , remember that the racquet face should be closed with the non-hitting hand at the low point of the backswing .