quadriplegic patient suffering from a C2-3 lesion of the cervical. During expiration the opposite occurs S-Video in the diaphragm RK Air Mechanical Contractor and accessory respiratory muscles, the thoracic cavity decreases in size, and air flows out of the. (See Accessory muscles: Locations and functions.)

more However, pronounced use these of muscles may acute signal respiratory distress,. respiratory work is out carried by the diaphragm and other. respiratory muscles (accessory respiratory muscles) become. important only required when by.

Skeletal and respiratory muscle sense the degree of.. progressive hypoxia of accessory respiratory muscles during exercise has been . ()(16). Study . of