การหายใจเข้า กล้ามเนื้อซี่โครงแถบนอ

Breathing outside the rib muscles to contract. (In the loose)
rib and sternum was lifted up. At the same time, it contracted with the diaphragm moves downward and
.(As shown in Figure 1), which makes the volume of the chest cavity expanded.

And pull air into the lungs.

The rib muscle breath thaepnok are shrinking (in taste), the rib bone and the chest
rising. At the same time, wind and contraction krabang move lower
.(As shown in Figure 1), which causes the volume of the chest cavity enlarges and pulling air into the lungs,

.

The inhalations muscle outside the ribs will be contracted (the bar to loosen the), the ribs and breastbone
has been raised up in the meantime, midriff, and contracted with lower mobility
(as shown in Figure 1), which makes capacity expansion of the chest and pull up into the air in lungs