Earthly surface has the area of 75% to be enclothed by seawater, and the mankind that lives in reinforced concrete, was full of to secret marine world dread and look forward to, will thousands of years long to open its mysterious veil all the time. In this long years, phreatic water motion develops slowly eventually rose. Phreatic water already was the recreational motion that a kind of ten billabong of current abroad go nowadays.
Dive motion is the sports activity that has below high-pressured environment, it is different from common swim, however a kind of skill takes exercise. What the drive that the advantage of phreatic water gives a person in bizarre world of Yu Shuizhong not only brings is tremendous enjoy, and it can make people breadth of mind broad, open-minded all directions. Often be engaged in diving movement can developed the whole body is departmental the muscle of cent, rise force, speed, endurance and withy wait for fitness, in the meantime, still can foster the volition with brave, tenacious, cooperation, careful people.
"Get half the result with twice the effort "
The environment of water area is different from land greatly, study a proof, the obstruction that the person gets when the activity in water is 883 times in air. The tremendous resistance that water brings can increase athletic difficulty and gross, the force that makes place of movement of your some that finish is used is the 6 times above that uses normally, achieve the gymnastical result of get twice the result with half the effort consequently.
In addition, the heat of water environment conducts ability is airy 28 times, although stay in water,fall asleep also can waste a lot of energy. Be like the egg of a boiling hot, the refrigeration in putting water should be than putting in air many fast. So, the wastes energy that a person moves 20 minutes in water, be equivalent to moving with same intensity on the ground 1 many hours. Move 40 minutes to be able to use up 400 calories quantity of heat in water, achieve the goal that exercises the whole body easily, and won't cause muscle ache.
"Get hurt not easily "
Take exercise on land, as a result of the action of gravity, the close friction that joint and joint pull is much, cause athletic loss easily. And in water, buoyancy can achieve weight 85% -- 90% , reduced gravity greatly, make place of articulatory, skeletal, muscle suffers pressure to decrease relatively, get hurt not easily, athletic ache also subsequently abate.
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