Learning to turn your upper body independently from your lower body is important to create ‘separation’ between the upper and lower body. The separation creates a rubber band effect at the top of the swing to unwind and release power on the downswing.
Stand in a shoulder width stance.
Keeping your hips square, turn your upper body and look behind you as far as you can.
Hold the position for 8 to 10 counts. Return to the start position and repeat on opposite side.