LUNG FUNCTION-MUSCLES
From NeuroRehab.wiki
SUMMARY
INSPIRATORY MUSCLES
1. Diaphragm: main respiratory muscle during quiet breathing (75% of volume change); contracts during inspiration and relaxes during expiration
2. External intercostals
3. Accessory muscles
EXPIRATORY MUSCLES
4. Internal intercostals
5. Abdominal muscles are primarily active during forceful expiration and coughing; they also help push the relaxed diaphragm toward the chest cavity
Reference(s)
Barrett, K.E., Barman, S.M., Brooks, H.L., X, J. and Ganong, W.F. (2019). Ganong’s review of medical physiology. 26th ed. New York: Mcgraw-Hill Education
