Tag: Phrenic Nerve (C3-C5)

More Than a Breath To the uninitiated, the diaphragm is a simple bellows—a thin, dome-shaped musculotendinous partition separating the thoracic and abdominal cavities. However, in the realm of high-performance integrative physiology, we recognize it as the fulcrum of the human “network of breathing.” T his uniquely mammalian evolutionary trait is a biological marvel; in an…