Which one is the essential of Tuiba Shangqiao? A: Ensure the movements upwards and downwards coordinated and full of strength B: Do not relax knees. Keep the strength under control. C: When the two legs are pressed against each other, ensure the anterior medial parts of the patella collide.Raise palms and push them upwards. D: Both A and B should push and pull naturally, taking the amount of force exerted into consideration.

Which one is the essential of Tuiba Shangqiao? A: When pushing against each other, the amount of force exerted should be appropriate. Avoid sudden exertion of force during the pushing and pulling. B: Lift with upward palms,cross palms and separate hands outwards C: Concentrate strength on arms ,push forward D: Slowly raise the arms with straight elbows, push forward arms and squat down, pull back with strength, and then stand up.