Medically reviewed by Sanja Jelic, MD Key Takeaways The diaphragm is the main muscle used for breathing. The diaphragm helps ...

New research published today in The Journal of Physiology shows that nitrate improves function in the diaphragm, the muscle involved in coughing and breathing, by improving power. The study done in ...

Lung volume, a clinical indicator of lung growth and function, is commonly quantified using pulmonary function tests (PFTs) such as spirometry and body plethysmography which measure lung volumes, ...