First, accelerate the body's metabolism
Because the resistance of water is greater than air, running in the water requires more energy than running on the ground. It consumes more energy and oxygen, so the body's metabolic rate will be greatly accelerated. At the same time, the various tissues and organs of the human body need to accelerate the pace of work to be able to adapt to the frequency of the action; the blood circulation speed is accelerated, can dilate blood vessels and increase blood vessel elasticity; the heart is also well exercised during contraction and expansion. When running in the water, the pressure on the chest is relatively large, so the respiratory intensity is required to be increased accordingly, and the vital capacity is increased to offset the external pressure, so that the lung function can be exercised.
Second, improve the body's response
People need a certain skill to maintain balance in the water. They need coordination of all parts of the body to be able to complete. The problems in those parts can not be balanced in the water for a long time. Therefore, long-term adherence to running in the water, the general reaction ability is relatively strong, the coordination of the body is also relatively good.
Third, effective prevention of various diseases
The temperature of the water is lower than the temperature of the body, so it is necessary to speed up the metabolism to keep the body temperature not too low. The pressure of water is greater than air, making more blood supply necessary during exercise. This can increase the high-density lipoprotein content in the blood. Research shows that high-density lipoprotein can effectively prevent the occurrence of heart disease and coronary heart disease. At the same time, the calcium loss in the elderly bones is relatively fast and is prone to osteoporosis. Underwater running can prevent the body from losing calcium, thus preventing the occurrence of osteoporosis.
Fourth, make the skin smooth
Because it is in the water, there are few other obstacles that people come in contact with, plus the buoyancy effect of water and the protection of sportswear, so it can effectively prevent and control various injuries. At the same time, due to friction between the body surface and the water surface, it can promote blood circulation, make the muscles more flexible, the joints more flexible, and can also make the skin become delicate and smooth.
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