Frontal undulation
Heavy beat sinks downward, slowly sinks, goes downward evenly, the spine should be perpendicular, squatting can't be front invasion nor backward, the spine sinks against the heel, and when lifting upward, slowly, just like sagging!
Rise and fall next to
Sink down when out of the right collapsed, knees bent down, left knee * the knee of the right foot, the upper body to the left than out, head to the right, the opposite direction of the action, out of the left collapsed, the right foot pointing to the ground to the left leg *, at this time, the left leg is the main leg, the center of gravity in the left leg, out of the collapsed upper body can not be invasion of the back to the rear, to maintain a straight, the top out of the right waist, the head to the left.
Positive foot undulation
When the body sinks there is a leg lift, hook back when the knee can not be forward top (because the Dai dance wearing a barrel skirt) forward will be very difficult to see, it must be vertical backward kicking, and is a hook foot, whenever the kick up to be rapid, the movement should be done cleanly, but also with breathing! When the leg kicks backward the upper body kind of undulates from side to side, not straight up! When the left leg is raised, the right collapses, and when the right leg is raised, the left crosses!