Swim next time, why can the heart go out of breath?
The details of the procedure before launching: first, water the water at least three times to the chest hall by hand, so that you can quickly adapt to the temperature of the water. To avoid the temperature far cause cramps, chest tightness, panic, drowning and other accidents, two, looking for shallow water (at least not higher than their own, do not rush to the chest) under deep water in shallow water, should be at least a week to learn to adapt to the floating effect of water and shallow dives into the water (the head of the test master, its breath can evaluate the diving time limit)
The average person's diving time should be 45 seconds, that is to say, the average person's diving time and depth during this period of time, from diving to the water, must be mastered in 45 seconds, the water ventilation. Otherwise, there will be danger of drowning. Three, when it has its own diving experience, then the next step, and the height of water into learning treading water, breaststroke, backstroke, diving action.
For the first time to swim, you must first understand the hazards of water and improper water treatment. Then consider how to learn the swimming you want to learn.
