NEW STEP BY STEP MAP FOR MàNG BơM

The sternal portion lowers the costal cartilages, facilitating inhalation by expanding the upper body cavity.The lumbar part of the diaphragm is connected to the bodies of vertebrae L1-L3 and their intervertebral discs. This area assists in stabilizing the diaphragm all through functions that boost abdominal pressure, which include weighty lifting.