Orthostatic Body Position: Postural Physiology and Blood Pressure Regulation
1. Introduction to Postural Hemodynamics The transition to an orthostatic body position—moving from a supine (lying flat) or seated posture to an active standing stance—is one of the most frequent and mechanically demanding physiological events the human body performs. Against the relentless downward pull of gravity, the cardiovascular and autonomic nervous systems must execute a … Read more