This exercise is great for stretching upper body.
To perform it you will need an exercise ball.
If you don’t have it, you can sit on the pillow on the chair.
Sit comfortably on a ball with your back straight.
Feet are on the ground, and a bit wider than shoulder width apart.
Place one hand on the ball and stretch with opposite arm to the side.
Repeat at least 10 times on each side and make sure to follow your comfor