Practice method: take a step to the left with your left foot and do a left lunge, and then turn left with your upper body. At the same time, your right arm will extend to the lower left, and the palm of your left palm will be inward. Palm down, inserted in the elbow joint of the right arm. Continue to move up, the upper body turns right into a right lunge, while the straight arm of the right arm swings from left, up and right to the upper right, and the left palm falls to the lower left. Continue to move up, turn the upper body to the right and back, at the same time, the straight arm of the right arm swings down to the lower back, and the straight arm of the left arm swings up and forward to the upper front. Keep moving up, turn the upper body left into a right gait, and swing the straight arm of the right arm up and down to make an arc to the inside of the right leg; The left arm swings downward and stops at the upper left to the left. When practicing, alternate left and right.
Requirements and main points: when the arm swings up, it should be close to the ear, and when the arm swings down, it should be close to the leg. When the right servant steps, his eyes follow his right hand; When the left servant waved the racket, his eyes followed his left hand.