STARTING POSITION:
You need to be lying on a bed inclined around 30-45º. Place the entire sole of your feet on the bed. Bend your knees around 90º. Place your hands on your belly.
MOVEMENT:
Slowly breathe in through your nose and breathe out through your mouth. 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.