要求与要点：挺胸、直腰：松髋、合髋。里合幅度要大并成扇形。
Points to Remember: Steps of Training are the same as those for “Swinging Leg Outward”.
图4-3-8（Fig.4-3-8）
图4-3-9（Fig.4-3-9）
二、屈伸性腿法 Kick with Lower Leg
（一）弹腿 Kick Lower Leg with Toes Pointing Forward
预备姿势：两腿并立，两手叉腰。
Starting Position: Stand upright with feet together and arms akimbo.
动作说明：右腿屈膝提起，大腿与腰平，右脚绷直（图4-3-10）。提膝接近水平，要迅速猛力挺膝，向前平踢（弹击），力达脚尖。大腿与小腿成一直线，高与腰平，左腿伸直或微屈支撑。两眼平视（图4-3-11）。
Movements: Bend the right knee and raise it to the waist level with toes pointed（Fig.4-3-10）.Kick the lower part of the right leg forward quickly concentrating force on toes.Now the right leg is straight and horizontal while the left leg may be straight or slightly bent.Look straight ahead（Fig.4-3-11）.