What are the effects of exercise on blood pressure?
Jun 09, 2023
Source: Cainiu Health
Dr. Tian Hongbo
Introduction
Under normal circumstances, the effects of exercise on blood pressure include lowering systolic and diastolic blood pressure, improving vascular elasticity, and reducing cardiac load. Appropriate physical activity can reduce both systolic and diastolic blood pressure. During exercise, the heart must beat faster to meet the metabolic demands of body tissues, thereby increasing cardiac output. In addition, exercise promotes the release of vasodilatory substances from vascular endothelial cells.
In general, the effects of exercise on blood pressure include lowering systolic and diastolic blood pressure, improving vascular elasticity, and reducing cardiac load. The details are as follows:
1. Lowering systolic and diastolic blood pressure
Appropriate exercise can reduce both systolic and diastolic blood pressure. During physical activity, the heart beats faster to meet the metabolic demands of body tissues, thereby increasing cardiac output. Additionally, exercise promotes endothelial cells in blood vessels to release vasodilatory substances such as nitric oxide and prostaglandins, which help dilate blood vessels and lower blood pressure.
2. Improving vascular elasticity
Regular physical activity enhances the elasticity of blood vessels and increases vascular capacity, thus reducing peripheral resistance, decreasing the workload on the heart, and lowering blood pressure. Moreover, exercise improves circulation and boosts metabolic activity in vascular endothelial cells, helping to maintain vascular health.
3. Reducing cardiac load
Appropriate exercise reduces the burden on the heart by decreasing myocardial contractility and heart rate, thereby contributing to lower blood pressure. Furthermore, exercise enhances metabolic activity in cardiac muscle cells, improves the heart's tolerance to stress, and helps prevent the development of cardiovascular diseases.
It should be noted that the effects of exercise on blood pressure may vary among individuals. Before starting an exercise program, one should choose suitable types and intensities of exercise based on personal factors such as physical condition, age, gender, and overall health status. Individuals with hypertension should avoid excessive or intense exercise, as it may lead to a rise in blood pressure. If any discomfort occurs during exercise, medical attention should be sought promptly.
