HOW:Position yourself sitting tall with your hands supported on your thighs. Squeeze your shoulder blades back together, think about pinching a pencil between your shoulder blades, relax and repeat.
FEEL:You should feel the muscles in between your shoulder blades getting a workout. You may also feel a stretch in your chest and the front of your shoulders.
COMPENSATION: Do not shrug your shoulders, do not arch your low back excessively.
