From the concept of western medicine and modern medicine, breathing is of course carried out with the lungs.
However, China people think that the real Qigong, as well as the spread of Chinese medicine and martial arts, is still very different from Western medicine.
Today, we still think that many health preserving methods are true and effective. For example, China people's unique cognition, such as breathing and breathing, Sunday luck, acupuncture and acupoints, can't be deciphered and understood by western medicine so far, but the cognition of crooked nuts does not affect our inheritance.
Abdominal breathing can be understood as a method of invigorating qi. It's deep breathing. When taking a deep breath, slowly inhale a lot of gas and squeeze the internal organs down slightly. Keep breathing like this, and carefully perceive the perception and changes of internal organs and limbs during breathing, which is the most primary thing in breathing. Perseverance will gradually sharpen people's perception. Abdominal breathing can also be understood as adding some artificial external forces to feel the body, massage the body, increase blood circulation and increase the perception of the body on the basis of normal breathing. This is the most basic breathing method in Qigong. In short, just stick to it.
Reverse abdominal breathing, as opposed to abdominal breathing.