What to pay attention to swimming

Swimming is one of the physical exercise programs that are good for health and loved by many people. The summer heat, is the best time to swim, like swimming people must pay attention to health, pay attention to safety, so that swimming does not become a sport that hurts the body. So summer swimming need to pay attention to what problems?

Before swimming to do preparatory activities

Human body temperature and the pool water temperature, even in the hot summer there is a certain temperature difference. Therefore, it is best to do gymnastics, running before entering the pool, move your body, so that the muscles and joints get exercise, and then use the pool water to shower the body before swimming. If you do not prepare for the activity directly into the water is likely to make the body because of the sudden cold water stimulation and muscle cramps or cold cold cold.

Pay attention to the water conditions before swimming

Before swimming to pay attention to understand the overall water conditions of the swimming place, especially out to rivers, reservoirs swimming, pay attention to master the speed of the current, water depth, avoid swimming to unfamiliar waters to avoid swimming casualties.

Pay attention to understand the weather before swimming

Summer weather more thunderstorms, if indoor swimming is okay, out of rivers, reservoirs swimming, be sure to understand the weather before swimming, avoid swimming in thunderstorms or weather changes in the weather. Thunderstorms will not only make the temperature drop, so that people are vulnerable to cold and cold and lightning may also be conducted through the water and cause the risk of being struck by lightning.

Avoid swimming on an empty stomach

The physical exertion of swimming is greater than the general consumption of cold water bathing, swimming on an empty stomach is likely to lead to a faster drop in blood sugar levels in the body, making people dizzy, weakness, panic and other discomfort, and in serious cases, there may be drowning in the swimming pond.

Avoid eating too full swimming

Swimming on an empty stomach is prone to pond sickness, and swimming after eating too much is likely to lead to a large reduction in blood circulation in the gastrointestinal organs and affect the normal digestion and absorption. In addition, when swimming gastrointestinal parts will be affected by water pressure and affect the normal gastrointestinal peristalsis, which can easily lead to stomach pain, stomach distension and other discomfort. If you have stomach problems, you should avoid eating too much and swimming.

Avoid swimming after strenuous exercise

After strenuous exercise body sweating more, physical fatigue and the whole body surface hairline blood vessels in a state of extreme expansion, if this is the time to swim, easy because of the water temperature is not adapted to the original extreme expansion of the sweat glands, hairline blood vessels occurred in a sudden contraction, the risk of muscle cramps.

Avoid swimming when you are sick

Avoid swimming when you are sick, including heatstroke, cold or other infectious diseases. Sick state to go swimming one is very easy to lead to aggravation of the disease, in addition may lead to germs through the water to spread to others. Be aware that patients with cardiovascular disease should avoid swimming.