Start in a seated position.
Clasp your hands together and stretch your arms forwards between your knees.
Lower your head down and round out your shoulders.
Reach your hands as far as you can between your knees.
You should feel a stretch across the back of your shoulder blades.
Maintain this stretch and rotate round to the side, you will feel the stretch increase across your other shoulder blade.
Hold and then rotate in the other direction.
Return back to the neutral position and repeat.