Step 2: Take a comfortable sitting position or supine position, and fold your hands slightly below your navel; Gently close your mouth, inhale slowly through your nose, and your abdomen will bulge, and when you exhale, your abdomen will retract. Practice repeatedly.
Step 3: Put your hands on the outside of your ribs. When inhaling, the ribs will expand outward, and when exhaling, they will contract. Repeat the exercise.
Step 4: Put your left hand on your left leg; Bend the index finger and middle finger of the right hand, then put the thumb on the right alar and the ring finger on the left alar; First press the right nostril and inhale through the left nostril; Then loosen the right nostril, press the left nostril and exhale through the right nostril; Inhale through the right nostril, then loosen the left nostril, hold down the right nostril, exhale through the left nostril, and practice repeatedly.