Exercise affects the heart by repeatedly using your large muscles, activating muscle fibers programmed for endurance, and utilizing various heart rates as much as 40-85 percent of your maximum heart rate. However, what makes exercise affect the heart? What factors do other activities other than sports do not have? To find out the answer, let's look at some of the information below.
How does exercise affect your heart?
When you do cardio, blood flow will be directed towards the muscles that work a lot and are away from areas that don't work much, such as the arm or digestive tract. With exercise, blood flow will increase and blood volume will return to the heart. Because the heart receives more blood volume, the left ventricle of the heart will become more adaptable and enlarged. This larger cavity can hold more blood, and spray blood higher per beat, even at rest.
What are the things that are obtained from sports, which cannot be obtained from other activities?
The following are factors in sports that other activities do not have:
Once you start training, your muscles will consume more energy and produce more waste products. Because the body must make replacement energy, the muscles need extra oxygen pumped from your heart. The amount of oxygen needed and provided is strictly controlled by the brain, which senses the levels of waste products in the blood. The harder the muscles work, the more waste products produced, and your brain increases your heart rate more.
After the brain increases your heart rate to the point where the oxygen supply meets the demands of the muscles, your heart rate will remain high in the rest of your training. Sports definitely need stability, but sports that demand high stability will make the muscles work harder, and produce waste products that will be felt more by your brain. And finally, it causes an increase in heart rate which can meet the increased need for oxygen in the muscles.
After you stop exercising, your muscles demand less oxygen, but the brain continues to supply additional oxygen to help with the recovery process. Some aspects of recovery, such as lactic acid, will occur in a few minutes, but others, such as repairing muscle protein, take several hours. This means that your heart rate will remain high for several minutes or even several hours after exercise, so that oxygen supply can help recovery.
When you do aerobic exercise regularly for several months or several years, your heart space can expand better, allowing the heart to fill more blood. In addition, the heart wall will become thicker, so that the heart can pump stronger and more efficiently in removing blood. Therefore, every time your heart contracts, more blood is pumped into your muscles. The greater the intensity of the exercise given, the stronger the heart provides oxygen to the body.
What about weight training?
Weight training affects the heart in a different way from other sports. At certain times, the muscles will contract and rely on two types of muscle fibers, which are responsible for giving a large and strong body. When the muscle contracts, the muscle will press and close the blood vessels that flow through it. This causes an increase in blood pressure throughout the body and the heart must use more force to push blood out.
To compensate, the heart adjusts to increasing the left ventricular wall thickness triggered by healthy routine weight training. In addition, exercise affects the heart by stimulating the production of new blood vessels. The more blood vessels, the more efficient blood flows. Exercise can increase the number of new blood vessels during weight training, because the size of blood vessels also increases.
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