Is swimming good for your heart?

Swimming is a very suitable sport for the human body. Regular swimming can bring many benefits to the body, but it must be done in good health. If you suffer from heart disease, coronary heart disease, arrhythmia and other diseases, do not swim blindly, otherwise it will threaten your life safety. Patients with skin diseases should also pay attention, because this disease is highly contagious. So is swimming good for the heart?

First, is swimming good for the heart? Swimming can exercise the heart. When swimming, all the motor organs in the body require the heart to provide more blood, which makes the heart get exercise and the myocardium gradually develop. The development of myocardium enhances the heart's contractile ability. At the same time, the capacity of the ventricles increases and the amount of blood ejected gradually increases. In this way, with each heart beat, more blood can be squeezed out to supply the needs of various parts of the body, which is beneficial to the body's metabolism. In a certain sense, human health is the health of the heart. Therefore, it makes sense for the heart to get some exercise.

Second, blood circulation. A person's heart is about the same size as his own fist, and the capacity of the ventricles is about 200 ml on each side. From the first second a person is born, his heart starts beating continuously. The beating of the heart includes contraction and relaxation. During diastole, blood moves from the atria to the ventricles, and during systole, blood is driven from the ventricles into the aorta. In a normal person, the amount of blood ejected by the left and right ventricles with each contraction - the "stroke volume" - is equal. When at rest, the output of each ventricle is about 70 ml, which means that the heart can filter all the blood in the body in less than a minute. The heart weighs less than 0.5% of body weight, but it allows blood, which accounts for about 7% of body weight, to circulate throughout the body, delivering oxygen and nutrients to various organs and tissues, while expelling carbon dioxide and waste from the body.

Is swimming good for your heart? Swimming is good for your heart. People who swim regularly have excellent heart function. The average person's heart rate is 70-80 beats per minute, and the stroke volume is 60-80 ml. People who swim regularly can reach a heart rate of 50-55 beats per minute. Many excellent swimmers can reach a heart rate of 38-46 beats per minute, with a stroke volume of 90-120 ml. The benefits of long-term swimming to the cardiovascular system are that it increases the volume and mobility of the heart, makes the myocardial contraction stronger, slows the heart rate when at rest, increases the stroke volume, thickens the blood vessel walls, increases their elasticity, and improves the efficiency of the cardiovascular system. At the same time, the resistance generated by swimming against water has the effect of losing weight and maintaining body shape, which is beneficial for controlling blood pressure, blood lipids, blood sugar, etc.