You may think that walking is such a simple exercise that your body won’t change much. However, it is reported that a series of positive physiological changes will occur in your body within an hour of walking.
The first to fifth minutes. The first few steps will trigger the cells to release energy generating chemicals, which will provide energy for walking. At this time, the heart rate reaches 70-100 times per minute, the blood flow increases, and the muscles are preheated. The stiffness of the joints begins to weaken and release lubricant to make it easier for you to move your body. In these five minutes, the human body burns 5 kcal of heat per minute, which is five times that of sitting and other static states. At the same time, in order to support exercise, the body began to get more fuel from carbohydrate and fat storage.
The 6th to 10th minute. The heartbeat increased to about 140 beats per minute. With the acceleration of walking speed, the heat burned by the human body per minute reaches 6000 calories. Blood pressure will rise slightly, but the body will release chemicals that can dilate blood vessels to counteract this potential danger, and more blood and oxygen will be continuously delivered to the muscles that are working.
The 11th to 20th minute. The body temperature keeps rising, the blood vessels near the skin expand to release heat, and you will start to sweat. With a brisk pace, the human body burns up to 7 kcal per minute. At this time, breathing may become a little difficult. The secretion of hormones such as epinephrine and glucagon increases to deliver energy to muscles.
The 21st to 45th minute. At this time, you will feel energetic. With the release of body tension, the brain will release feel good endorphins, and you will start to relax. As more fat is burned, insulin secretion begins to decline, which is excellent news for overweight people or diabetes patients.
The 46th to 60th minute. If you walk fast for one hour, your muscles may feel tired, because the storage of carbohydrates in your body is reduced. When you calm down, your heart rate and breathing will slow down. Although the number of calories burned after that decreases, it is still more than that before exercise. This high calorie state will be maintained for 1 hour.
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