Summer is coming, swimming is a popular sport, so what should I pay attention to before and after sw

In addition, the physical exertion of swimmers makes sweating poor, headache, dizziness, fatigue, and uncoordinated movements, and in severe cases, there will be impaired consciousness, coma and other manifestations of sunstroke.

When swimming outdoors, although the body does not feel hot after being soaked in the water for a long time, the temperature of the head can sometimes increase to more than 39 when the head is exposed to the sun for several hours on the water.

Uncoordinated movements, impaired consciousness, coma and other manifestations of sunstroke.

The inhalation of a small amount of chlorine in a short period of time has no great effect on the human body, but soaking in water for a long time, too much chlorine is not good for human health.

Care should be taken to hydrate.

It's just best to do warm-up exercises.

It's better to ask the coach.

The head is exposed to the sun for several hours on the water, and its temperature can sometimes rise to more than 39.

Can I eat after swimming

Swimming requires a lot of energy and consumes a lot of energy. If the movement speed is the same, the same set of actions is done. 6 times more power than land.

At the same time, water conducts heat 26 times faster than air. At the same temperature, a person's heat energy consumption in water is more than 20 times that of land. For moderate-intensity swimming, the energy expenditure is about 300 to 500 kcal hours.

So even though it's important to replenish your stamina, it's only natural to eat after swimming.

What to eat after swimming

After swimming, the body absorbs 2-3 times more food than usual. Choose foods that are easy to digest, such as vegetables, rice, etc., but not in excess. Due to the intense hunger after swimming, a considerable number of people will eat a lot of food at a time, which can easily cause excess energy and lead to obesity.

If you are **, do not eat high-fat, high-calorie foods (such as fried foods, fatty meats) after swimming, otherwise the physical energy consumed by swimming will be wasted. After swimming, one of the best options is soy products and lean meats. This can not only supplement high-quality protein, but also have the advantage of being low in fat.

Of course, vegetables and staple foods will also work.

What is better to eat while swimming

Swimming for an afternoon will inevitably lead to two or three disembarkations in the process. At this time, you often want to have a snack or something to drink. Remember, don't drink sugar-sweetened beverages like Coke and Sprite at this time, as this is when the body is most likely to absorb calories quickly.

It is best to decorate the sports cup with warm water or tea in advance and drink it between swimming. If you don't have water, opt for mineral water, or sugar-free tea! In this process, it's good to have a snack, but don't eat too much or too much.

It is appropriate to eat some cucumbers, cherries, apples, etc., which are fresh in taste and low in sugar, to relieve hunger and give the body some energy. In addition to that, you can eat 1-2 slices of whole wheat or oat bread, but not too much, and don't eat butter bread or cake.

What to eat before swimming

Without further ado, just remember three principles. Do not swim on an empty stomach. Swimming on an empty stomach can easily cause hypoglycemia, making swimmers dizzy, fatigued, and even fainting.

When you're full, don't swim. As soon as it is eaten, the blood is concentrated in the stomach. At this time, swimming will force the blood of the whole body to flow back to the limbs, resulting in a decrease in blood in the stomach, resulting in indigestion of food, and a series of uncomfortable symptoms such as "cross-qi" and "stomach discomfort".

Easy-to-digest, high-energy foods are recommended. For example, it is advisable to cook beef so that it is easier to digest so that 1 2 hours after a meal, the small intestine that is absorbing nutrients while swimming will cause an excessive burden on the small intestine.

It is important not to eat too greasy food, but also to exercise, to warm up, to protect the body, and to prevent cramps while swimming.

It is necessary to pay attention to the individual's eating habits, but also to pay attention to not swimming after eating, but also to pay attention to the individual's physical digestion, but also to pay attention to the prevention of cramps, but also to pay attention to the protection of muscles.

It is recommended to consume a small amount of carbohydrates an hour before swimming, which is beneficial for a slow release of energy while swimming, so that you can swim farther and longer. Seven points of fullness is just right, and a full sense of satiety will be a burden.

Remember not to eat too much before swimming, it is recommended to wait half an hour after you have eaten before swimming. Don't go to eat immediately after half an hour of swimming.

Be sure to pay attention to the warm-up before swimming, and at the same time, you must pay attention to the method when swimming, and you should also pay attention to your posture and follow the instructor's arrangement.

When doing swimming sports, you should pay attention, 1 do warm-up in advance to avoid cramps, 2 slowly enter the water, don't be in a hurry, 3 wear swimming clothes, so that's fine.

It is necessary to avoid eating too much, stretching before exercise, etc. Avoid eating too full, eating too much and then swimming can cause indigestion; Stretch before exercise to prevent muscle damage while swimming.

When swimming, warm up well before swimming; If you feel cold or start cramping after swimming for a while, it means that the physical exertion is too great and it is time to get up; In the swimming pool, choose a lane with the same level as other swimmers in the swimming lane, swim on the right side, and do not reverse to avoid hitting other swimmers; Don't urinate in the pool and wear a swimming cap.

Note: 1. Travel in a group and pay attention to safety; 2. At noon in summer, thunder day, after strenuous exercise, physical discomfort, water pollution, underwater unknown, underwater danger, can not swim; 3. If you are too full and do not prepare for the activity, do not go into the water immediately; 4. Children can only swim under the guidance of adults; 5. Learn to swim in the shallow pool of the swimming pool; 6. Walk in the shallow pool first, then learn to soak, and then learn breaststroke; 7. Inhale with your mouth when you are on the water, exhale with your mouth and nose underwater, raise your head high, and it is not easy to choke on water, and your ears are not easy to enter the water;

When swimming, it should be noted that you should do proper warm-up activities before exercising, so as not to enter the pool and have an uncomfortable reaction in the body, and stretch the joints of the body for a small bright exercise, which is suitable for better swimming.

You need to do a good job of warm-up exercises, after the warm-up is completed, you need to condense some cold water on your heart, so that your body can adapt to the temperature of the pool, and you also need to pay attention to reasonable eating in the swimming circle, not too full.

Adjust your physical condition, have a good attitude, do a good warm-up before swimming, ask others for swimming skills, and don't swim in deep water.

Carry a swimming ring, for places where the water is relatively deep, or the swimming technique is not very good. Don't forget to bring a swimming ring aid.

Before swimming, you can warm up and fully open your body, otherwise it is easy to cause cramps in your hands and feet during swimming, and then there are safety problems.

As soon as people warm up, they must warm up in advance.

When swimming, you must pay attention to Zen and put on your own swimsuit, and in the process you must protect your eyes and ears, and avoid burning the stool in the process to cause damage to yourself.

Pay attention to safety, when swimming, you should measure the strength of your socks and say goodbye, if you can't swim, you should not go to the deep water to swim, you can choose a shallow water place to swim.

Attention needs to be paid to the warm-up. Be sure to warm up before swimming to avoid cramping in the water, which could cost you your life.

Personally, I love swimming and I can forget all my worries when I swim in the water. And swimming has many benefits for your body, but there are also many things to pay attention to.

First, what are the problems that need to be paid attention to in swimming?

First, you can't swim on an empty stomach, because people are relatively weak on an empty stomach, and there will be low blood sugar and physical exhaustion, and swimming is very physically demanding.

Second, you need to prepare for warm-up activities before swimming, in order to prevent leg cramps caused by low water temperature after entering the water, and people cannot move so that it will be very dangerous <> in the water

Third, the swimming time should not be too long, people generally swim for about an hour is the best, two hours is the upper limit, people in the water for too long will be soaked in the limbs will become cold, the body may also appear cramps, serious tachycardia <>

Second, what are the benefits of swimming

Swimming is a very healthy aerobic exercise that works the whole body and can bring many benefits. Swimming is the best way to do it because the calories we burn while swimming are very large. Swimming can also strengthen the body, prevent cardiovascular disease, swimming in the water can avoid sports injuries, unlike on land, we are easy to run or play basketball, but there will be no such problems in the water.

I think swimming can be used as a sport to exercise the body. It can also be used as a kind of entertainment, leisure and entertainment. I learned to swim when I was about seven or eight years old, because my home is on the edge of the reservoir, and I have been close to the water since I was a child, so I learn quickly, but when I learn to swim, I must be accompanied by someone, and now people's living conditions are getting better and better, and children learn to swim also have special coaches and special venues, but I still miss the time when I was swimming with my friends when I was young, I think that is our real childhood.

The first is swimming, it is generally best to go half an hour after eating, so that it can not only ensure the moderate digestion of physical strength and food, but also prevent cramps and other phenomena, the most important thing is to wear swimming goggles when swimming, which can effectively protect the eyes and prevent the eyes from being infected by water. This not only makes the body healthier, but also adapts well to the environment in the water.

Be sure to do a good warm-up exercise before swimming, and you can't swim on an empty stomach, because at this time the body is very weak and it is very easy to have low blood pressure and low blood sugar. When swimming, don't swim for too long, if it's too long, the body is very prone to cramps, which is very dangerous at this time.

First of all, be sure to eat before swimming, never swim on an empty stomach, and also do a good warm-up exercise before swimming, and don't swim for too long. This can improve blood circulation and prevent some cardiovascular diseases.

Be sure to do a good warm-up exercise first, at the beginning you must have someone around to teach, but also pay attention to your physical condition, you must take it step by step, you must first adapt to the shallow water area before going to the deep water area.

It is important to do warm-up exercises before swimming, so that you do not have leg cramps while swimming.

In the process of exercising, we need to pay special attention to many aspects, such as we need to go to scientific ventilation, and then for the specification of an action, we must do the most basic action, do not deform.

There are many precautions for swimming, stretching and preparing for warm-up activities before swimming, to have sufficient stretching of muscles and joints, to prevent leg cramps caused by low water temperature after entering the water.

Pay special attention to the problems in swimming, when swimming, you must pay attention to safety, and you must rinse with water when you go ashore.

Swimming is also a popular sport, what do you need to do before swimming?

Swimming Precautions: Be sure to be safe when swimming: No one with an infectious disease or an open wound should swim, nor should women swim during menstruation. It is not advisable to swim in the water immediately after strenuous exercise, after eating, drinking, or sweating. Prepare well before swimming, including freehand exercises, imitation exercises, and stretching muscles and ligaments.

After a vigorous swim, relax in the water, adjust your breathing, and get out of the water. However, if you have dizziness, nausea, chills or cramps and other abnormalities during swimming, you should release the water in time. After swimming, it is best to shower or dry your body in time, and pay attention to dressing and keeping warm.

It is best to swim together in natural baths, taking care to choose a place with clean water quality, and paying attention to the depth and flow rate of the water. Do not swim in mud, reefs, tree stumps, rapids, whirlpools, overgrown with weeds, heavily polluted, and frequently boated waters. Who is not suitable for winter swimming?

People with severe heart disease, high blood pressure, hepatitis, nephritis, and stomach ulcers should not participate in winter swimming. Winter swimming may aggravate the condition when the body is not adapting. People with otitis media should not swim because water will enter the ear and it will be difficult to drain out, causing a perforation of the middle ear.

Wear earplugs when swimming after otitis media**. Don't let water in your ears. In addition, for the sake of everyone's health, people with infectious diseases and people with any infectious diseases are not suitable for swimming.

This is to stop the spread of infectious diseases.

Also, people with epilepsy and mental illness should not participate in winter swimming for safety. Studies have shown that there are three groups of people who are not suitable for winter swimming: teenagers under the age of 16 and the elderly over 70 years old, who are not suitable for winter swimming due to their special physical conditions; Patients with mental disorders are not suitable for winter swimming due to lack of self-control; In addition, people with serious organic diseases such as heart disease, coronary heart disease, tuberculosis, hepatitis, stomach disease, and respiratory diseases are not suitable for winter swimming preparation activities after being examined by doctors.

The following measures should be taken: (1) Have enough activity to raise body temperature, but not cause fatigue. (2) Preparatory activities should include general and special activities, but the activities with the greatest intensity should be avoided.

3) The burn and time of the preparation activity should vary from person to person, from sport to sport, and the requirements are different. (4) 10 15 minutes before exercise, the intensity of preparatory activities should be reduced, and preparatory activities should be completed 5 minutes before exercise.