When you have filled and emptied your lower lungs 8 to 10 times, add the second step to your breathing: Inhale first into your lower lungs as before, and then continue inhaling into your upperchest.
Instead of taking your usual big inhalation, take a smaller inhalation and then immediately relax all muscles, especially upperchest and all other breathing muscles.
用细小的吸气代替正常的吸气。接下来立刻放松所有肌肉,特别是胸上部和所有其他参与呼吸的肌肉。
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This posture stabilizes the upperchest and shoulders, making it easier to use the accessory breathing muscles