1 Leaning on a ball/bench/ottoman with a straight spine.
2 Raise both arms out to the side to form the letter T, squeezing the shoulder blades together in the back.
3 Repeat with arms raised overhead in a Y with thumbs up, squeeze shoulder blades.
4 Repeat with arms down by your sides with thumbs down, squeeze shoulder blades.
5 Repeat each direction for 10 repetitions.