When is the best time to swim in summer?Summer Safe Swimming Common Sense
The benefits of swimming in summer
1. Prevention of heatstroke and cooling
In the hot summer weather, choosing the indoor pool swimming can play a role in preventing heatstroke and cooling, because the human body exudes calories in the water nearly 20 times faster than in the air.The calories have played a good cooling effect, one of the best choices for heatstroke prevention.
2. There is weight loss
Because the human body heat dissipates fast in the water, and swimming requires full -body exercise, the hands and feet, the head and the head exercise the water together, and the resistance of the water is also large, and the person consumes more physical fitness in the water. For people who want to lose weight, it is nothing more than those who want to lose weight.It is a very good and effective way.Especially for women, it can also play a role in thin buttocks, and the body shape is more beautiful.
3. Improve lung capacity
When swimming, you can choose a submerged swimming or breaststroke appropriately, or slowly take a deep breath to make the lungs full of air.Twitter.Such long -term training can slowly improve cardiopulmonary function and increase lung capacity.
4. Enhance resistance
Because the human body heat dissipates fast in the water, the body needs to continuously supplement energy in order to adjust the body temperature, promote the acceleration of metabolism in the new city, continuously balance the temperature of the body and outside body, increase the ability to adapt to changes in the outside world, and play a role in resisting the cold.swimming people, their own resistance is gradually increasing.
5. Main perfect figure
Because people need to overcome the various resistance of water, consume physical energy, perform anaerobic exercise, can effectively burn fat into muscles, and this is just different from sports and bodybuilding on land.swimming can reduce the various impact of the bones on the land, and by overcoming the water resistance, the overall muscles of people can be more assembled and more well -proportioned curve beauty.
6. Help to prevent spondylosis
When swimming properly, retreating can allow the whole person to lie on the water surface, and the support of hydropower. At this time, the human spine does not need to support the importance of the entire body.Going down can effectively prevent spondylosis.
7. Help the Skin more flexible and elastic
During the swimming process, the human Skin's Skin is water and friction of water, and the Skin is effectively massaged to make the Skin more flexible. At the same time, swimming is different from land motion, which can effectively reduce salt in sweat to the Skin in the Skin.Stimulation.
8. Help children grow taller
swimming is divided into free swimming, breaststroke, backstroke, butterfly swimming, diving swimming, etc., no matter which method, it needs to be used together, and the whole body exercise and coordination, especially the effective stretching of joints and ligaments.Suitable for growth.
Disadvantages of swimming in summer
1. Suitable to suffer from infectious diseases
Because there are many crowds in the swimming pool, there will also be a large number of infectious disease bacteria in the water. If the immunity is not good, it will be easily infected if it stays in the water for too long.
2. Triggement cramps
swimming for a long time will cause the muscle to overwork and cramps. In severe cases, drowning may occur, which is also a major disadvantage of swimming.
What time is the best time to swim in summer
The strongest ultraviolet of the sun (will cause the greatest damage) is between 10 am and 3 pm.It is best to choose to swim at 4 pm.Especially people who work indoors are less sun -exposed and more prone to sunburn.
But try not to swim at 10 pm, otherwise insomnia will cause insomnia due to nervousness.
summer Safe swimming Common Sense
1. Before swimming, you should keep warm -up and then launch. Although the summer is hot, if in the water, the physical temperature will be lost for a long time, which will easily lead to cramps and may be risk of drowning.
2. When we swim, you must swim with the accompaniment of adults. If you are not skilled in your own technology, do not go to Sham Shui District to swim.
3. When swimming in the river outdoors, it is necessary to pay attention to the water quality problems in the river. To prevent the emergence of grasshoppers, water snakes, and even poisonous snakes.
4. When we are swimming, some people sweat directly in the water. This is very harmful. We must wait for the sweat to dry and then launch.
5. Before swimming in the swimming pool, the eye drops are dripped first. The current swimming pool is actually very dirty. There are many bacteria. When people stay in the water for too long, the eyes will become red and itchy allergic symptoms.
1. Avoid swimming before meals
Emptor swimming can affect appetite and digestive function, and also cause accidents such as dizziness in swimming; full swimming can also affect digestive function, and also cause stomach cramps, and even vomit and abdominal pain.
2. Avoid swimming after drama
swimming immediately after strenuous exercise will make the heart aggravate the burden; the sharp decline in body temperature will weaken resistance, causing colds and laryngitis.
3. Avoid menstrual swimming during menstrual period
swimming during menstruation, germs are likely to enter the uterus, fallopian Tube, etc., causing infection, leading to irregular menstruation, excessive menstruation, and prolonged menstruation.
4. Avoid swimming in unfamiliar waters
When swimming in natural waters, do not rashly launch.Those around the waters and underwater conditions should not be swimming in water to avoid accidents.
5. Avoid exposing swimming for a long time
Long -term exposure will cause sunburn, or cause acute dermatitis, also known as sunlight burns.In order to prevent the occurrence of sunburn, it is best to use an umbrella to shade or rest in a shade of the tree after landing, or protect the Skin on the body with a bath towel, or apply sunscreen on the body's naked place.
1. Swimsuit
Swimming trunks must be fitted.If it is too large, it is easy to wander when swimming, so as to increase physical load and resistance and affect swimming movements.Therefore, the swimming suit should be comfortable and comfortable to wear on the body.
2. Swimming hat
Wearing a swimming cap during swimming, especially women, can prevent the hair from being scattered. Sometimes the water quality is not good and can prevent the hair from becoming yellow.Most of the swimming hats are bright in color, which is convenient for life -saving staff on the shore.
If the water quality is not clean, the bacteria can easily enter the eyes during swimming, resulting in red eye disease.In order to prevent eye diseases, we need to wear swimming glasses for swimming.For those who are new to swimming, wearing swimming glasses can also let them open their eyes in the water.
4, earplugs
It is unavoidable to flow into the ears when swimming.The ears are uncomfortable after water, and sometimes cause pain and affect hearing.In order to prevent water from entering the ear, earplugs should be prepared.
5. Floating items
For beginners, it is best to have some floating items, such as the survival circle (ClothesCure, Foam plastic water board, etc.However, when preparing these items, you must always check the life jacket and the circle to prevent accidents to prevent accidents.
6, bath towels and slippers
bath towels and slippers are a must -have for swimmers. After swimming, go ashore after swimming, dry the body with a towel, put on bath towels, and put on slippers to keep warm, prevent colds, and be more hygienic.
7, nasal clip
During swimming, because water waves often pour water into the nostrils, they produce water and cough, especially for beginners.In order to prevent water from entering the nostrils, it is best to prepare a nasal clip. It can force the mouth to inhale with the mouth instead of inhaling without nose, which can avoid water.