Aerobics level4

	Quick Waist Twist with Arms Raised Stand up with both legs side by side. Raise both arms up. While swinging both arms widely, twist your waist. Move the center of weight left and right along with the swing of your arms, using spring of your knees.
	Leg Stand with Arms to the Side Stand up with the center of weight in left leg. Cross your arms in front and then open them aside. At the same time, swing right leg aside. Do the same for the other side of your body.
	Back Kick Stand up with the center of weight in left leg. Fold and then stretch both of the arms forward and right leg backward as far as possible.
	Laying-Down Swing Lay down on the floor with your left side facing up. Stretch left arm and left foot as far as you can, and support your body. Grab iPhone with right hand and move it up to down while raising right foot in the air. Stretch out your knee. Do the same for the other side of your body.
	Cross-Armed Single Step Lay down on the floor with your left side facing up. Stretch left arm and left foot as far as you can, and support your body. Grab iPhone with right hand and move it up to down while raising right foot in the air. Stretch out your knee. Do the same for the other side of your body.