Muscle Involved In Breathing. The DRG is involved in maintaining a constant breathing rhythm by stimulating the diaphragm and intercostal muscles to contract resulting in inspiration. The muscular components of the respiratory system consist of the primary breathing muscle the diaphragm and the accessory muscles of ventilation Fig.
The lung-apposed rib cage the diaphragm-apposed rib cage and the abdomen. Active inspiration involves the contraction of the accessory muscles of breathing in addition to those of quiet inspiration the diaphragm and external intercostals. The action of breathing is tightly controlled by the respiratory centre located inside the brain stem.
What muscles are used for breathing.
Shaw House Orchard Road. The intercostal muscles which surround the ribs are breathing muscles. It is a thin dome-shaped muscle that separates the abdominal cavity from the thoracic cavity. Shaw House Orchard Road.
