I. First, start the movement by standing in herringbone.
Two, then lift the leg until the calf and thigh form an obtuse angle.
Three, then another herringbone stand again.
Four, lift your leg and slide the other foot back.
V. Step down and slide the other foot back. Keep your body straight.
Sixth, the angle of lifting the foot should be greater than or equal to ninety degrees, and the downward step should ensure the strength.