Why does female have thoracoabdominal breathing pattern?

Sexual dimorphism. Evolution. Females ribs have mechanical advantage in chest expansion. Which helps them during abdominal volume displacement during pregnancy. read more

Figure 7. Biot’s breathing. Note the regular large amplitude chest and abdominal movements, as measured by respiratory inductance plethysmography, followed by apneas. Each large box represents 30 seconds. Agonal breathing – refers to a pattern of irregular and spo - radic breathing with gasping seen in dying patients before their terminal apnea. read more

Best Answer: "The volume of adult female lungs is typically 10–12% smaller than that of males who have the same height and age. In this study, we investigated how this volume difference is distributed between the rib cage and the diaphragm abdomen compartments. read more