HOW: Start with your chest against the swissball with your knees on the ground. You can also place your toes on the ground as well if you would like. With your thumbs down, reach your arms behind you in the shape of an “I”. Squeeze your shoulder blades together to lift your arms away from the floor.
FEEL: You should feel all the muscles in your shoulder blades working to lift your arms up.
COMPENSATION: Lift with your shoulder blades, not necessarily with your shoulders or arms.