Young female long jump two levels of athletes take off to the board instantaneous, the center of gravity speed scaled height of burst horizontal athlete is much slower.
少年女子跳远二级运动员起跳离板瞬间，重心速度比高水平运动员慢得多。起跳腿的膝角和髋角也小于高水平选手。
Young female long jump two levels of athletes instantaneous and take off in the process in the board to swing the leg knee Angle oversized folds not tightly.
少年女子跳远二级运动员在着板瞬间和起跳过程中摆动腿膝角过大，折叠不紧。
应用推荐