STARTING POSITION:
Sit on a chair and place your hand on your belly. Contract your pelvic floor and core while keep your body straight.
MOVEMENT:
Slowly breathe in through your nose and extend your neck at the same time. Breathe out through your mouth and move the neck back to the starting position. During the exercise, try to breathe filling the abdomen.
TIPS: You shouldn't feel pain during the exercise. If you feel fatigue, stop and rest.